The Mole

Topic Page

Questions

• How do you calculate the number of moles from volume?
• How do you convert grams to mole?
• Question #258e5
• Question #8d48c
• Why is the mole an important unit to chemists?
• What's the mole number?
• How does the mole relate to carbon 12?
• How does the mole relate to molecules and ions?
• How do you calculate the moles of a substance?
• How can I calculate the moles of a solute?
• What is an example a practice problem with moles?
• How many cubic centimeters would you need to have 1 mole of aluminum?
• Can you find the number of moles of Argon in 607 grams of Argon?
• How do you convert grams to moles and moles to grams?
• How many moles are present in 1.21 X 10^24 molecules of HBr?
• What is the volume occupied by 0.355 mole of nitrogen gas at STP?
• What is the volume of 5.6 moles of nitrogen gas at STP?
• What is the volume of 2.5 moles of chlorine gas at S.T.P?
• How many moles of oxygen gas are there in 11.2 liters at atmosphere and pressure and 546 degrees kelvin?
• How many moles of gas occupy 22.4 liters at 27 Celsius degrees and 0.50 atm of pressure?
• How many moles of O2 are there in 2500g of O2?
• How can I calculate the volume, in liters, of 1.50 mol Cl2 at STP?
• What is the mass in grams of 4.03 x 10(23) H2 molecules at STP?
• Question #b56d8
• What is the total number of #AlF_3# molecules in a sample of #AlF_3# containing #3.01 * 10^(23)# fluoride ions ?
• 5.85 g of NaCl is dissolved in 1 L of pure water . How do you calculate the number of ions in 1mL of this solution?
• How many moles of chloride ions are in 0.50 g of copper(II) chloride?
• Question #17dd9
• A 65.7 g sample of an element contains 4.95×10²³ atoms. Identify the element?
• Question #e76e2
• Question #29a4c
• Question #221a0
• Question #c3e3a
• What are the most common questions about moles that often comes out in the exams?
• Question #f79bb
• Question #c09a5
• Question #162a7
• Question #30d24
• How many oxygen atoms are in #"120.23 g Fe"_3("PO"_4)_2"#?
• Question #ebf63
• Question #1b54b
• Question #45a3b
• Question #3c610
• Question #524f7
• Question #4de19
• Question #dca94
• Question #da09a
• I know this relates to moles, so how do I convert 4.77 g of lead (Pb) to atoms?
• Question #27f47
• Question #e8833
• Question #b7094
• How many atoms of vanadium are present in #"185 mg"# of this element?
• How many mole of Bi atoms are needed to combine with 1.58 O atoms to make Bi2O3?
• Question #3524f
• Calculate the amount of (mol) of Rh in 1.69g of Rh. If the molar mass is 102.90?
• Question #6dd9c
• Question #a5eeb
• Question #a95a2
• Question #8fb51
• How many moles of sulfur hexafluoride are present in 2.56E21 molecules of this compound?
• Question #0b2e8
• Question #1cd39
• The average nicotine (C10H14N2, molar mass 162.3 g/mol) content of a Camel cigarette is 1.93 mg. Suppose an individual smokes one pack of 20 cigarettes a day. How many moles of nicotine are smoked in a day?
• Question #a23d4
• Question #b7989
• What is the molar mass of a compound if 5.19*10^16 molecules of the compound weigh 6.205 microgrammes?
• How many moles of ammonium nitrate are present in #"8.047 g"# of this substance?
• Question #d0c80
• Question #3d61b
• Question #47631
• Question #b1f48
• Question #05d9c
• Question #ff2b8
• Question #750e4
• Question #bb06f
• Question #6c48c
• Question #ee296
• Question #15440
• How many moles are in 360 g of glucose, C6H12O6? How would I be able to find the answer to this problem? The molar mass of the compound is 180.01 g/mol.
• How many atoms or molecules are present in 1.0 mol of Au? How am I able to find the answer?
• Question #32d5f
• Question #70147
• Question #e0b23
• Question #88b38
• Question #5373c
• Question #641fa
• How many mols CO in this equation : #2CO + O_2 -> 2CO_2#?
• Question #717bc
• Question #be392
• Question #3da24
• Question #b76e5
• Question #c7f43
• Question #bdd38
• Question #24c67
• Question #75316
• Question #d35fd
• Question #071e5
• Question #51110
• Question #d85b1
• Question #5137a
• Question #322e6
• Question #84c5b
• Question #01de2
• Question #b9611
• How do I find the mass of potassium in a #50.0*g# mass of potassium sulfate?
• Question #4013a
• Question #4a230
• Question #a0144
• Question #8aae5
• How many #sf(OH^-)# ions are present in 5.0 ml of 0.3M #sf(Ba(OH)_2)# solution ?
• How many moles of Ca2+ are present in 5.67 moles of calcium phosphate? I"m not sure how to approach the problem.
• Question #553eb
• Question #513f2
• The same quantity of electricity was passed through separate molten samples of aluminium oxide and sodium chloride. How many moles of sodium will be produced if 0.2 moles of oxygen gas were formed?
• Question #9e5d6
• Question #7d116
• Question #b9d31
• Question #971d5
• Question #c8c79
• C3H7OH is propanol. Suppose you have 85.9 g sample of propanol. How many carbon atoms are in the sample?
• Question #dd146
• How many grams of hydrogen are in one mole of sulphuric acid?
• How many moles of oxygen gas are required for the combustion of one mole of 3-methylpent-2-ene?
• How do you find molar mass?
• Whats molar mass of N?
• How would you calculate the molar mass for Bromine Trioxide?
• What are the units of molar mass?
• What is the molar mass of oxygen?
• What is the molar mass of (NH4)2CO3?
• What is the molar mass of (NH4)2Cr207 (Ammonium dichromate)?
• What is the molar mass of sodium carbonate, (Na2CO3)?
• What is the molar mass of ammonia, #"NH"_3#?
• What is the molar mass of NaCl (table salt)?
• How would you calculate the molar mass of water?
• Question #474d7
• How many Sulfur atoms are in 0.42 mol S?
• Question #485e4
• The density of water is 1.00 g/mL at 4°C. How many water molecules are present in 2.46 mL of water at this temperature?
• How many moles are there in 9.00 grams of beryllium?
• How many atoms of neon are in 5.9 grams of neon?
• How many moles of KCl are in 27.5 g of KCl?
• How do I calculate the number of molecules in 6.00 moles #H_2S#?
• Question #5b298
• How many moles are there in 30 grams of #H_3PO_4#?
• How many grams are there in .5 mol of #CF_2Cl_2#?
• How many moles are there in 1.5 g of ethanol, #CH_3CH_2OH#?
• How many grams are contained in 5.24 moles of nitrogen dioxide #NO_2#?
• A salt crystal has a mass of 0.12 mg. How many NaCl formula units does it contain?
• You have a freshly prepared .01 M ascorbic acid (vitamin C) solution. Each liter of this solution contains how many ascorbic acid molecules?
• Question #ccb14
• Question #73cbd
• What is the mass in grams of #9.76 * 10^12# atoms of naturally occurring sodium?
• What is the mass in grams of 1 mol of Li?
• Which has a greater number of atoms: 3.0 g of iron, Fe, or 2.0 g of sulfur, S?
• How many atoms are in 3.93 moles of Nickel?
• Why the number of atoms of bromine in 1 mole Br₂ is not equal to Avogadro's number?
• How many molecules are in 10.8 grams of #C_12H_22O_11#?
• How many moles of Ag+ are present in 25 mL of a 0.75 molar #AgNO_3# solution?
• How many moles of glucose are required to form 122 g of ethanol?
• What is the number of H atoms in 0.183 mole #C_6H_14O#?
• An average cup of coffee contains about 125 mg of caffeine, #C_8H_10N_4O_2#. How many moles of caffeine are in a cup, and how many molecules of caffeine?
• Question #e951f
• How many #SO_2# molecules are there in 7.08 moles of #SO_2#?
• How many #C# atoms are there in 0.502 mole of #C#?
• How many moles of magnesium, chlorine, and oxygen atoms are there in 7.50 moles of magnesium perchlorate, #"Mg"("ClO"_4)_2#?
• How many moles of aluminum, sulfur, and oxygen atoms are there in 7.00 moles of aluminum sulfate, #Al_2(SO_4)_3#?
• How many moles of #NO_2# are there in #1.81 * 10^24# molecules of #NO_2#?
• How many moles of sodium carbonate are present in 6.80 grams of sodium carbonate?
• Question #5eca2
• What mass of #"Fe"# is in #"316.80 g Fe"_2"O"_3"#?
• How many grams of #O# are contained in 8.52 g #K_2CO_3#?
• How many molecules are there in 122 grams of #NO_2#?
• How many moles are there in 458 grams of #Na_2SO_4#?
• You need 2.5 moles of aluminum for an experiment. How many atoms of aluminum is this?
• How many molecules are there in 39 grams of water?
• How many moles of glucose, #C_6H_12O_6#, are in 300 g of glucose?
• What is the mass of 3.20 mol of copper (Cu)?
• If you have 3 moles of gold atoms, how many molecules of gold atoms do you have?
• A bottle of #KMnO_4# contains 66.38 g of the compound. How many moles of #KMnO_4# does it contain?
• Which contains more molecules, 1.00 mol #H_2O_2#, 1.00 mol #C_2H_6#, or 1.00 mol #CO#?
• How many atoms of Boron are present in 35.76 g of Boron?
• Question #f7dd1
• How many moles of Ca2+ ions are there in 0.45 moles of CaTiO3?
• What is the mass of #3.7 * 10^20# molecules of Rubidium Phosphate? #(Rb_3PO_4)#
• What is the mass of #7.83 * 10^23# atoms Cl?
• Question #bf137
• How many atoms are there in 14 moles of Cesium Sulfide?
• What mass of gold, Au, contains the same number of atoms 9.0 g of aluminum, Al?
• How many moles of lead are in #1.50 * 10^12# atoms of lead?
• How many moles are in #4.81 * 10^14# molecules of #NH_3#?
• How many moles are in #7.5*10^78# atoms of zinc?
• What is the difference between mole and molar mass?
• What is the purpose of the mole in chemistry?
• How big is a mole?
• What is the mass of one mole of hydrogen?
• What does a mole measure?
• What is the difference between mole and molecule?
• What is a mole ratio?
• How many grams are in a mole?
• What is the volume of one mole of any gas at STP?
• What is the mass of one mole of helium gas?
• What is the mass of one mole of water?
• What is the mass of 1 mol of atoms of P?
• What is the mass of 1 mol of atoms of P?
• How is a mole similar to a dozen?
• How many moles of oxygen are in 1 mole of #Ca(NO_3)_2#?
• Which has more atoms: 3.0 g of iron, or 2.0 g of sulfur?
• How many grams are there in #1.5 * 10^26# molecules of #CO_2#?
• How many grams are in 5.66 mol of #CaCO_3#?
• How many moles are in 508 g of ethanol (#C_2H_6O#)?
• Question #5d8df
• How many moles are in 363.8 g of #Ba(OH)_2#?
• How many gold atoms are contained in 0.650 grams of gold?
• Question #df325
• How many moles are in 68 grams of copper (II) hydroxide, #Cu(OH)2#?
• What mass of iron has a volume of #6.3# #cm^3#?
• What mass of aluminum has a volume of #6.3# #cm^3#?
• Question #98dd6
• How many moles are in 15 grams of NaOH?
• How many atoms are in 2.0 mol of Cu?
• Question #2fbe7
• What is the mass in grams of one molecule of ethnic acid #CH_3COOH#?
• How many atoms of carbon can be found in #"90 g"# of glucose?
• How do you convert 9.45 moles g of #Al_2O_3# into grams of #Al_2O_3#?
• How many molecules are in 1.00 mg of glucose, #C_6H_12O_6#?
• How many moles are in 15 grams of lithium?
• Question #556c5
• How many moles are in 75.0 g of dinitrogen trioxide, #N_2O_3#?
• How many moles are in #3.70 * 10^-1# g of boron?
• What is the mass, in grams, of 2.50 moles of iron(II) hydroxide, #Fe(OH)_2#?
• What is the mass of #9.34 * 10^24# molecules of water?
• How heavy will #6.14 * 10^25# atoms of gold be?
• Question #ee3be
• How many moles of #NH_3# are there in 77.5 g of #NH_3#?
• One gram of gold costs $75. How much would one atom of gold be worth?
• How many moles are in #9.461 * 10^24# formula units of manganese(III) dichromate?
• Question #fe860
• The chemical formula for rust is #Fe_2O_3#. How many moles of #Fe# are present in 1.0 kg of the compound?
• An engagement ring contains #3.97 * 10^-2# moles of gold. How many individual gold atoms are in this ring?
• A balloon contains #2.58 * 10^24# molecules of methane gas. How many moles of methane are in this balloon?
• How many grams of Al are in 4.70 moles?
• How many moles of potassium are in 0.256 g?
• How many grams of NaOH are in 4.35 moles?
• How many ethanol molecules are present in 0.35 moles?
• How many grams is .25 mol of #CO_2# molecules?
• What is the mass of 1 mole of #O_2# molecules?
• How many moles of aluminum oxide are in 6.83 g #Al_2O_3#?
• Alnico is a strongly magnetic alloy (solid mixture) of Co, Ni, Al and Fe. A 100.0 g sample of Alnico has 11.2g Al, 22.3g Ni, and 5.0g Co in it; the rest is Fe. How many moles of aluminum are there?
• How many individual atoms make up one unit of aluminum chloride, #AlCl_3#?
• How many moles are in 25 grams of water?
• How many molecules are in 7.8 moles of #NH_3#?
• How many moles are there in 4.75g of magnesium chloride?
• How many moles of a gas will occupy 3.62 liters at STP?
• How many moles are there in 28 grams of #CO_2#?
• How many moles of argon are in 452 g of argon?
• What is the grams in #1.26 * 10^-4# mol of #HC_2H_3O_2#?
• What is the mass of 2.6 mol of lithium bromide?
• A #1/4# inch thick lead sheet is used for protection from medical x-rays. If a single lead atom has a diameter #350# pm, how many atoms thick is the lead sheet?
• How many moles of water are in a 710 gram bottle of water?
• What is the molar mass of #K#?
• How many moles are in 50 g of O?
• How many grams of NaCl are present in 14.65 moles?
• 1 mole of #CH_4# contains how many molecules?
• How many moles of ammonium sulfate can be made from the 30.0 reaction of mol of #NH_3# with #H_2SO_4# according to #2NH_3 + H_2SO_4 -> (NH_4)_2SO_4#?
• How many moles are in 453.6 g of table sugar, #C_12H_22O_11#?
• When the ionic compound #NH_4Cl# dissolves in water, it breaks into one ammonium, #NH_4^+# and one chloride #Cl^-#. If you dissolved 10.7 g of #NH_4Cl# in water, how many moles of ions would be in the solution?
• The weight of a diamond is given in carats. One carat is equivalent to 200 mg. A pure diamond is made up entirely of carbon atoms. How many carbon atoms make up a 1.00 carat diamond?
• How do you convert 2.50 moles of CuO to grams?
• What is the mass in #3.01 * 10^23# molecules of #F_2#?
• How many #Cl^-# ions are present in 2.00 mol of #KCl#?
• The molar mass of #NO_2# is 46.01 g/mol. How many moles of #NO_2# are present in 114.95 g?
• What is the formula mass of ethyl alcohol, #C_2H_5OH#?
• Each Macbook ordered this winter contains #6.87 * 10^23# lithium atoms in each battery. How do you convert the amount of atoms in each battery to moles of lithium atoms?
• A sample of hydrogen gas occupies 14.1 L at STP. How many moles of the gas are present?
• At STP, what is the volume of 7.08 mol of nitrogen gas?
• A quarter is composed of 4.50 moles of nickel. How many atoms of nickel does this equal?
• How many oxygen atoms are represented by #MgSO_4 * 7H_2O#?
• What is the mass of one mole of magnesium nitrate #Mg(NO_3)_2#?
• What is the total number of moles of atoms represented by the formula #Al(C_2H_3O_2)_3#?
• How many moles of #CH_4# contain #1.5 * 10^23# particles?
• How many grams are in 0.6 moles of #H_2S#?
• How many molecules are in 720 g of #C_6H_12O_6#?
• A drop of ethanol has a mass of #2.3xx10^(-3)# #"g"#. How many molecules of ethanol are in the drop?
• Question #b5d2b
• How do you find the number of molecules or ions of 2.00 mol #Fe^(3+)#?
• How do you find the number of molecules or ions of 4.5 mol #BCl_3#?
• How do you find the number of molecules or ions of 6.022 mol #O_2#?
• How do you find the number of molecules or ions of .25 mol #K^+#?
• What is the mass, in grams, of #1.24# moles of water, #"H"_2"O"# ?
• What is the mass in grams of .000221 mol of carbon?
• How many moles are in #3.45 * 10^24# molecules of calcium iodide?
• How many molecules are in 48.90 grams of water?
• How many moles are in 54.6 grams rubidium sulfide?
• How many moles are in #5.75 * 10^24# atoms of Al?
• How many atoms of each element of #AgNO_3# are in 0.15 mol of #AgNO_3#?
• How many molecules are in 0.400 moles of #N_2O_5#?
• How many atoms are in 0.750 moles of zinc?
• How many carbon dioxide molecules are needed to make a single glucose molecule?
• What is the number of moles in 500 L of #He# gas at STP?
• How many moles of molecules are in a mass of 26.8 g of Xe at STP?
• What is the mass of #5.42# #cm^3# of table sugar?
• How many molecules are contained in 134.5 L of #O_2# at STP?
• What is the mass in grams of 5.90 mol #C_8H_18#?
• In the reaction #H_2S + 2O_2 -> H_2SO_4#, the law of definite proportions predicts that for every mole of #H_2S#, you will need how many moles of #O_2#?
• In the reaction #2H_2O -> 2H_2 + O_2#, if you start with 2 mol of water, how many moles of hydrogen gas are produced?
• How many grams are in 4.1 moles of #CO_2#?
• What is the molar mass of a gas if 3.50 grams of the gas occupy 1.35 liters of space at STP?
• What is meant by the #"mole"#? How is it useful in chemical calculations?
• What is the molar mass of a gas if 8.482 grams of the gas will occupy 2.500 liters of space at STP?
• A student collects a sample of gas and finds that 1.01 g of the gas will fill a container with a volume of 0.225 L at STP. What is the molar mass of the gas?
• How many moles are present in #2.1 * 10^24# atoms of calcium?
• What is the mass of iron that could be obtained from 67.0 grams of iron(III) oxide?
• How many grams would you weigh out on an electronic balance if a reaction requires 4.5 moles of lithium oxide?
• How many copper atoms in a mass of #0.595*g# of copper?
• A solution containing 10.0 g of an unknown liquid and 90.0 g water has a freezing point of -3.33° C. Given #K_f# = 1.86°C/m for water, what is the molar mass of the unknown liquid?
• How many moles of #HCl# are present in 0.70 L of a 0.33 M #HCl# solution?
• Question #80bdd
• How many grams in 3.75 mol of #NaBr#?
• What is the mass in grams of #12 * 10^23# molecules of #CO_2#?
• What is the molar mass and the mass of 5.0 mol of iron(II) phosphate, #Fe_3(PO_4)_2#?
• What is the molar mass and the mass of 5.0 mol of saccharin, #C_7H_5NO_3S#?
• What is the molar mass and the mass of 5.0 mol of acetylsalicylic acid, #C_9H_8O_4#?
• How many #Mg^(2+)# ions are present in 3.00 moles of #MgCl_2#?
• How many ions are there in a solution with 9.656 mol of #Ni^(2+)#?
• Assume that you have 2.59 mol of aluminum. How many atoms of aluminum do you have?
• In the reaction #2Al +6HBr -> 2AlBr_3 + 3H_2#, when 3.22 moles of #Al# reacts with 4.96 moles of #HBr#, how many moles of #H_2# are formed?
• How many moles are in #2.1 * 10^23# formula units of #NaCl#?
• 0.675 moles of radon gas contains how many atoms?
• How many moles of methane gas are in 43.8 liters of methane gas at STP?
• What is the mass of 1.87 moles of barium chloride?
• How many moles of potassium nitrate are produced when two miles of potassium phosphate react with two moles of aluminum nitrate?
• How many oxygens are there in #Mg_3(PO_4)_2#?
• Question #c31e8
• What is the mass in grams of 7.20 mol of antimony?
• Question #28d02
• What is the total mass of oxygen in 1.00 mole of #Al_2(CrO_4)_3#?
• Question #0c399
• How many atoms of oxygen are there on each side of the chemical equation #2Mg + O_2 -> 2MgO#?
• 1.68 moles of #NaCl# (table salt) contains how many molecules?
• How many formula units are in 3.40 moles of #"CuSO"_4"#?
• How many moles are in a sample of #CO_2# that contains #8.12*10^22# of #O# atoms?
• A 1.50-g sample of nitrous oxide contains #2.05 * 10^22# #N_2O# molecules. How many nitrogen atoms are in this sample? How many nitrogen atoms are in 44.0 g of nitrous oxide?
• How many moles are in #"4.555 g He"#?
• How many moles do #8.1xx10^18# calcium atoms represent?
• Question #973fb
• What is the number of ethyl alcohol molecules in a #22.26*g# mass?
• Question #7e213
• How many carbon atoms of mass 12.00 a m.u. are in 12.00 g of C?
• What information must a chemist have to determine the molecular formula for a compound?
• How many atoms of each element are present in 1 mole of #H_2SO_4#?
• How many moles are equivalent to #3.58 * 10^23# formula units of #ZnCl_2#?
• Copper is one of a group of metal called the coinage metals. How many atoms of copper are in a pure copper coin weighing 12.0 g?
• Question #45625
• Question #43768
• How many grams of #KClO_3# are required to produce 7.50 moles of #KCl#?
• Question #3db95
• How do you go from millimols to grams if the molar mass is #"0.34 g/mol"#?
• How many atoms are in a mole of barium chloride, #BaCl_2#?
• How many of each atom are in #Pb_3(PO_4)_4#?
• How many atoms are in 39.1 g of #C_6H_12O_6#?
• How many atoms are in 931.6 g #KMnO_4#?
• How many moles of compound are there in 4.5 kg #Ca(OH)_2#?
• How many atoms are present in 95.1 L #H_2O# at STP?
• How many moles are in 43.8 L #H_2O# at STP?
• How many atoms are in 1.92 mol #KMnO_4#?
• What is the mass of 1.39 mol of #MgO#?
• If you used 30.6 g of methanol #CH_3OH# to start a fire, how many molecules did you use?
• A recipe for chili calls for 3 g of sodium chloride. How many formula units of #NaCl# is that?
• How many molecules are contained in 5.61 moles of #H_2# at STP?
• How many atoms are present in 1.55 mol of sodium?
• How many atoms are present in 4.00 mol of aluminum?
• How many moles of #(NH_4)_2SO_4# are present in 25.0 grams of #(NH_4)_2SO_4#?
• How many grams of Ne are in a neon sign that contains 0.0450 mol of neon gas?
• Ibuprofen, the anti-inflammatory ingredient in Advil, has the formula C13 H18 O2. What is the molar mass of ibuprofen? How many molecules are in 0.200 mole of ibuprofen?
• How many grams are in 4.500 moles of #Li_2O#?
• A #2.72*g# mass of aluminum constitutes WHAT molar quantity? And how many aluminum atoms does this molar quantity represent?
• How many molecules are in 75.0 g of diphosphorus pentoxide #P_2O_5#?
• How many moles of #S# are in 25 g of #S#?
• How many moles of #S# are in 2 moles of #Al_2S_3#?
• A cylinder of argon gas contains 50.0 L of #Ar# at 18.4 atm and 127 °C. How many moles of argon are in the cylinder?
• Question #6f2c6
• Question #72670
• What is the mass of #3.65 * 10^-2# mol #K_2SO_4#?
• How many moles of #Pb# is in #9.3 * 10^15# atoms of #Pb#?
• How do you convert 64.1 g of aluminum to moles?
• What is the mass of 1.5 mol #C_5H_12?#
• What is the mass of 5.60 mol #NaOH#?
• How many moles is in 79.3 g #Cl_2#?
• How many moles are in .0688 g #AgCl#?
• How many moles are in 5.96 g #KOH#?
• How many moles are in .8 g #Ca#?
• How many moles are in 937 g #Ca(C_2H_3O_2)_2#?
• What amount of atoms, in mol, is present in 128g of sulfur dioxide? Why?
• Which sample of fluorine gas, F2, contains the greatest number of fluorine molecules? (multiple choice)
• How many grams of sodium are in 2.5 moles?
• How many moles are present in 34 grams of #Cu(OH)_2#?
• Question #8215a
• Question #85cd9
• Question #555c9
• How many moles of #C_6H_12O_6(s)# are needed to produce 24 moles of carbon dioxide?
• What is the total number of moles of water needed to make 2.5 moles of #C_6H_12O_6#?
• What is the total mass of iron in 1.0 mole of #Fe_2O_3#?
• What is the gram-formula mass of #Fe(NO_3)_3#?
• How many grams are in 2 moles of carbon?
• How many moles does 22.0 grams of #CO_2# represent?
• Question #f6570
• What is the mass of 4.30 mole of sodium?
• How many grams of #Cr(NO_3)_2# are in 8.4 mole?
• How many molecules of #NH_3# are produced from #4.82*10^-4# #g# of #H_2#?
• How many atoms are in 183 g of calcium?
• What is the mass of #4.49*10^25# particles of #HCl#?
• Question #05458
• Question #63494
• How many moles of #Zn# will be needed to completely react with 0.4 moles of #HCl# in the reaction #Zn + HCl -> ZnCl_2 + H_2#?
• How many mol of #CO_2# are in 12.6 g of #CO_2#?
• How many grams of #PSO_3H_3# is 0.250 mol?
• One mole of sugar has a greater mass than one mole of water, how come?
• Precious metals are commonly measured in troy ounces. A troy ounce is equivalent to 31.1 g. How many moles are in a troy ounce of gold? How many moles are in a troy ounce of platinum? of silver?
• What is the mass of aluminum that would have the same number of atoms as 6.35 g of cadmium?
• How many grams of oxygen are in 2 moles of potassium dichromate, #K_2Cr_2O_7#?
• What is the mass of 0.015 moles of #Ca(OH)_2#?
• How many grams are in 17.83 moles of carbon dioxide?
• How many grams are in #1.98 * 10^21# atoms of Fe?
• How many atoms are in 1.45 g of Ag?
• How many grams are in 4.35 moles of Ar?
• How many moles of #Pb# is in #9.34 * 10^15# atoms of #Pb#?
• How many atoms are in 3.5 grams of silicon?
• Question #864df
• Question #86b5f
• Question #806cd
• Question #cde77
• Question #ccabc
• How many atoms are in 1 mole of #Na_3PO_4#?
• What is the mass of 7.3 moles of #C_3H_8#?
• How many grams of sodium is present in 2 moles?
• How many carbon atoms are in 2.12 mol of propane? How many hydrogen atoms are in 2.12 mol of propane?
• What is the mass of 1.00 mol of sodium hydrogen carbonate?
• How many grams are in 3 mol of #KBr#?
• How many molecules does 1 mole of #O_2# gas have?
• What is the mass in grams of #4.6*10^21# molecules of carbon tetrabromide?
• How many grams are there in #4.6 * 10^24# atoms of silver?
• How many formula units are contained in .67 g #CaO#?
• How do you convert 2.54 moles magnesium carbonate to formula units?
• How many molecules of nitrogen monoxide are in a 22.5 gram sample?
• What is the number of moles in .197 g #As_2O_3#?
• How many molecules of sulfur trioxide are in 78.0 grams?
• How many molecules are in a sample of water with a mass of 44.99 grams?
• How many molecules are in a sample of water with a mass of 44.99 grams?
• What would be the mass of a sample containing 0.7 mol of pure tungsten?
• What is the mass of #2.14 * 10^10# molecules of water?
• How many moles of solute are in 250 mL of 2.0M #CaCl_2#? How many grams of #CaCl_2# is this?
• Question #957e1
• Question #d90e9
• What is the mass of .105 mol of copper?
• What is the mass of #3.543 * 10^23# atoms of magnesium?
• How many hydrogen atoms are present in one molecule of ammonium acetate #NH_4C_2H_3O_2#?
• How many moles are there in 45 g of Neon?
• What is the number of atoms in a 3.40 g of potassium?
• Question #dd197
• What is the number of grams in 7.19 moles of #BaSO_4#?
• 33.5 mol of #P_4O_10# contains how many moles of #P#?
• Exactly 1 mol of #Pb(ClO_2)_2# contains how many moles of #Pb,# #Cl,# and #O#?
• How many moles of #BaF# are there in 41 grams of #BaF#?
• If I have 5.00 moles of #"NH"_4""^+"#, how many ions do I have? Grams?
• How many moles are contained in 22.23 g #KBr#?
• How many grams is #3.30 * 10^25# molecules of #I_2#?
• How many copper atoms are in 5.6 moles of #Cu_2O#?
• How many moles of nitrogen, #N_2#, are there in #4.3*10^23# #N_2# molecules?
• What is the number of formula units in 0.873 moles of sodium acetate?
• How many molecules are in 72.00 g of #C_6H_12O_6#?
• How many atoms of lithium are there in 3.45 moles?
• How many grams do #4.3 * 10^21# molecules of #UF_6# weigh?
• How many grams are there in #4.5 * 10^22# formula units of #Ba(NO_2)_2#?
• How many molecules are there in 200 grams of #C Cl_4#?
• How many molecules are there in 2.3 grams of #NH_4SO_2#?
• 109.4g #Mg# contains how many moles?
• What is the mass in grams of #9.357 * 10^30# atoms of iron?
• How many individual atoms are in a sample of xenon that has a mass of 38.54 grams?
• How many grams are contained in 3.22 moles of dinitrogen tetroxide?
• How many grams are contained in 2.22 moles of sucrose #C_12H_22O_11#?
• What interparticle force operates in calcium oxide, ethylene, and acetic acid respectively?
• What is the mass of #6.2 * 10^20# molecules of carbon monoxide?
• How many formula units are contained in 1.34g #CaO#?
• Question #2fc95
• What is the molar mass of magnesium oxide?
• What is the total number of molecules represented by the equation #2C_4H_10(g) + 13O_2(g) -> 8CO_2(g) + 10H_2O(g)#?
• What is the grams of sodium in #NaCrO_4#?
• What is the number of representative particles in 3.0 mol #Sn#?
• Question #8b7ec
• What is the number of moles in 432 g #Ba(NO_3)_2#?
• How many atoms are in 0.075 mol of titanium?
• What is the mass of 2.6 moles of Ag?
• How do you change 8.5 g of #SiH_4# to moles?
• What is the number of atoms or ions of hydrogen in #(NH_4)_2CO_3#?
• How many formula units are in 0.175 mole of ammonium sulfate?
• Question #268ae
• How many moles of #CaBr_2# are in 5.0 grams of #CaBr_2#?
• What is the mass of one mole of carbon dioxide?
• What is the number of moles of beryllium atoms in 36 g of #Be#?
• In 6.72 g of #"N"_2"H"_4#, how many...?
• What are quantum numbers and electrons?
• Question #93cb7
• What is a #"mole"#?
• How many oxygen molecules fill a #50*dm^3# tank under normal conditions?
• What mass is associated with a #5.5*mol# quantity of #"phenol"#?
• What is 5.8 moles #N_2O# converted to molecules?
• How many atoms are in .150 mole of #Hg#?
• How many grams of #Fe_2O_3# are there in 0.500 mole of #Fe_2O_3#?
• What is the mass in grams of #2.10 * 10^21# atoms of copper, #Cu#?
• How many molecules are there in 4.00 mol of glucose?
• How many molecules of aspirin are contained in a 100.0 g tablet of aspirin, #C_9H_8O_4#?
• How many molecules are there in 65 g of silver nitrate #AgNO_3#?
• How many molecules are present in 1296 g of dinitrogen pentoxide #N_2O_5#?
• What is the mass of 0.7891 mol of ferric oxide (#Fe_2O_3#)?
• How many moles are present in 454 grams of #CO_2#?
• If you have 200 grams of #Na_2O#, how many moles of #Na_2O# do you have?
• A chemist weighed out 3.89 g of nickel. What is the number of moles of nickel she weighed out?
• How many moles of Cu are in 10.0 grams of Cu?
• How many molecules are there in 9.45 grams of #H_2SO_4#?
• How many atoms in a #25.0*g# mass of water?
• Question #a0043
• How to find how many moles are in an ion?
• How many moles are equal to #2.69 * 10^78# atoms of sulfur?
• What is the number of representative particles in .400 mol #KCl#?
• What is the number of representative particles in 7.50 mol #SO_2#?
• What is the number of representative particles in #4.80 * 10^-3# mol #NaI#?
• Question #d45c9
• How many atoms are in 5.00 moles of copper?
• Question #28721
• How many moles are in #4.81 * 10^24# formula units of #LiCl#?
• How many molecules are in 1.09 moles of silicon dioxide?
• How many atoms are in 1.75 moles of zinc?
• If there are a #10*mol# quantity of CARBON ATOMS in a sample of propane, what is the molar quantity of this hydrocarbon?
• What is the mass in grams of 0.0015 mol of aspirin, #C_9H_8O_4#,? How many aspirin molecules are there in this 0.0015 mol sample?
• How many moles are in 45.0 sample of #MgO#?
• How do you convert #1.51 * 10^15# atoms #Si# to mol #Si#?
• How many grams are in 291 moles of arsenic?
• How much mass does 1 mol of #O_2# gas have?
• How many oxygen atoms does 1 mol of #O_2# gas have?
• How many moles is 573.28 g of #AgCl#?
• How do you convert 64.3 grams of #Al_2(CO_3)_3# to moles?
• How do I convert from the mass of #"25.9 g Mg"_3"N"_2# to the mass of #"27.7 g H"_2"O"#? The reaction is magnesium nitride reacts in water to form magnesium hydroxide and ammonia.
• Question #745a3
• What molar quantity of water molecules are in a #50*g# mass of #Ca(NO_3)_2*4H_2O#?
• How many molecules are in 165 g of carbon dioxide?
• What is the weight in grams of #3.36 * 10^23# molecules of copper sulfate #CuSO_4#?
• How many potassium hydroxide, #KOH#, formula units are present in 6.89 mol of #KOH#?
• How many molecules are present in 936 g of glucose #C_6H_12O_6#?
• How many atoms are in 1.4 mol of phosphorous trifluoride #(PF_3)#?
• If the atomic weight of nitrogen is 14.0, what is the mass of one mole of nitrogen gas #N_2#?
• If the atomic weight of nitrogen is 14.01, what is the mass of the nitrogen atoms in one mole of cadmium nitrate, #Cd(NO_3)_2#?
• How many particles are in a mole?
• A raindrop weighs 0.050 g. How many molecules of water are in one rain drop?
• Question #54f82
• How many atoms are in 15.0 of silver?
• How many atoms of silicon are in 2.50 moles of #SiO_2#?
• How many moles are in 20.0 g He?
• How many grams are contained in 2.00 mol of neon?
• How many moles of sulfur are in #1.81 * 10^24# atoms of sulfur?
• What is the mass of #4*10^21# platinum atoms?
• How many molecules are in 5.35 moles of #H_2O#?
• How many #Cl^(-)# ions are there in 584.6 grams of #AlCl_3#?
• How many grams of sodium are in 3 moles of sodium carbonate?
• What would be the mass of four moles of methane?
• What would be the mass of three moles of ammonia?
• How do you calculate the number of moles in 0.135 grams of #HNO_3#?
• Question #b8fcb
• How many grams are in 34.5 moles of #KBr#?
• Question #0de15
• For a mass of #1*g# with respect to hydrogen atoms, and a mass of #63.5*g# with respect to copper atoms, how do the numbers of each sets atoms compare?
• Question #5956f
• According to this reaction: #2Al+6HBr -> 2AlBr_3 + 3H_2# If 4 moles of #Al# react with 8 moles of #HBr#, how many moles of #H_2# are formed?
• How many oxygen atoms in a mass of #132*g# with respect to carbon dioxide?
• Question #5e10c
• How many moles are in 200 grams of fluorine?
• Question #ea371
• Question #bfd77
• How many moles are in 146 grams of #CuSO_4#?
• Question #076ef
• What is the mass of 5.99 mole of carbon monoxide?
• How do you convert 27.6 g #Ar# to atoms?
• Question #72312
• What is the mass of 4.50 mol #Fe#?
• What is the mass of 1.2 mol glucose #C_6H_12O_6#?
• What is the mass of .0642 mol ammonium phosphate?
• How many moles of ammonia contain #1.51 * 10^24# #NH_3# molecules?
• What is the mass of #4.50 * 10^22# atoms of gold, #Au#?
• #3*10^22# atoms of water is equivalent to how many grams?
• How many eggs are in one mole of eggs?
• What is the molar mass of water?
• What is the total number of moles present in a 52.0 gram sample of #NaN_3#?
• How many ions are there in 4.5 g of #(NH_4)_3PO_4#?
• How many grams would #6.8 * 10^23# formula units of #CuCl_2# be?
• How many molecules are there in 8.8 grams of #SO_2#?
• How many grams of nitrogen are present in 2 moles of #HNO_3#?
• What is the relationship between the #"mole"# and #"Avogadro's number"#?
• In a #1*mg# mass of oxygen gas what is the number of #"oxygen atoms"#?
• If a sample of carbon dioxide, #CO_2#, contains #3.8# moles of oxygen, how many moles of #CO_2# make up the sample?
• Question #fd090
• How many grams of #Cl# are in 515 g of #CaCl_2#?
• How many total atoms are in .660 g of #P_2O_5#?
• A reaction produces 0.813 moles of #H_2O#. How many molecules are produced?
• How do you convert #1.35 * 10^24# atoms of carbon to moles of carbon?
• What molar quantity of the metal salt are present in a #0.667*g# mass of sodium dichromate?
• What is the mass of #9.76xx10^12# atoms of nitrogen?
• Question #5962c
• What is #"ammonium dichromate?"#
• How many atoms of hydrogen are in a 10 gram sample of water?
• How many atoms are in 1.0 mole of #O_2#?
• How many grams is #5.72 * 10^21# atoms of #Li#?
• Question #2ef88
• Question #b148b
• Question #8c852
• How many moles of iron (lll) nitrate are in 200 grams of iron (Ill) nitrate?
• How many moles are in 64 grams of oxygen gas?
• How many molecules are in 17 amu of ammonia, #NH_3#?
• How many moles are there in 168 grams of #C_2H_4#?
• How many moles are in 6.0 grams of carbon-12?
• How do you convert 84.520 mg of #"Ne"# to atoms?
• How many atoms of copper are there in a #15.8*mol# quantity of the metal?
• Question #bb58b
• A mole of sulfur trioxide molecules contains how many oxygen atoms?
• Question #9c740
• What is the mass of #3.54*10^24# molecules of rubidium oxide?
• If 5.00 L of hydrogen gas measured at 20.0*C and 80.1 kPa is burned in an excess of oxygen, what mass under the same conditions, would be consumed?
• What is the mass of #6.02 * 10^23# atoms of calcium?
• How many moles of copper are equivalent to #3.44*10^23# atoms of copper?
• Question #72e9a
• What is the mass of 1.0 mole sample of krypton gas?
• What mass of magnesium chloride is associated with #2.29xx10^23# formula units of magnesium chloride?
• How many atoms are in 0.50 moles of sulfur?
• How much mass is in a 3.25-mole sample of #NH_4OH#?
• A student weighed 1.10 g of lithium chloride to use in a reaction. How many moles is this?
• How many atoms are in 3.5 moles of arsenic?
• Question #bc514
• Question #dc922
• Question #7dec0
• What is the mass of one mole of beryllium if the atomic mass of beryllium is 9.01?
• How many moles of glucose are in 6.0 liters of a 3.5 M #C_6H_12O_6# solution?
• What is the mass of 3 moles of calcium chloride, #CaCl_2#?
• How many carbon atoms are there in a 26-carat diamond?
• How many moles of lithium are there in 56 grams of lithium?
• How many moles of atoms are in 3.00 g of #""^13C#?
• How much will #1.2 * 10^46# atoms of carbon weigh?
• How many silver atoms are there in 2.00 moles of silver?
• How do you convert #5.3 * 10^25# molecules of #CO_2# to moles?
• How many molecules of #CO_2# are there in a molar quantity of this gas?
• What is the mass in grams of #1.02 * 10^24# atoms manganese?
• How many moles are equivalent to #2.50 * 10^20# atoms of #Fe#?
• How many molecules are in 3.0 moles of carbon dioxide?
• How many atoms are in in 13.2 mol copper?
• How many moles of Ag contain #4.49 * 10^23# atoms Ag?
• How many moles are present in 165 g of Manganese?
• How many molecules are in 0.454 kg of carbon dioxide?
• How many moles are equivalent to #3.75 * 10^24# molecules of carbon dioxide?
• What is the mass, in grams, of #3.40*10^22# atoms #He#?
• How many moles are there in 3.00 g of ethanol, #CH_3CH_2OH#?
• What is the mass in grams of 0.0489 mol cobalt?
• How many chloride ions are there in 4.50 mol of aluminum chloride?
• How many oxygen atoms in a #300*g# mass of calcium carbonate?
• How many grams of copper (ll) carbonate are present in #4.3*10^24# formula units?
• How many grams of #CH_4# are present in #5.14*10^23# molecules of #CH_4#?
• How many molecules of water are there in 36 grams of #H_2O#?
• Question #eb525
• 65 grams of calcium equal how many moles?
• #1.26*10^27# atoms of xenon equal how many moles?
• One mole of chlorine gas is equal to how many grams?
• How many moles of water are in 0.34g of water?
• How many grams are in 12 moles of helium?
• How many molecules of dinitrogen pentoxide are in .72 moles of dinitrogen pentoxide?
• How many nitrogen molecules are in 2.4 moles of #N_2#?
• How do you convert 1.55 moles of water to grams?
• Zena, warrior princess, had a rock with #HgO# in it. If she had 60 grams of Mercury after heating the rock, how many moles of #HgO# was in the rock?
• How many moles are in 2.5 grams of KCN?
• How many neutrons are found in one atom of #""^36Cl#?
• How many sodium atoms are there in 6.0 g of #Na_3N#?
• How many moles of #NaCl# are present in 20.0 g of #NaCl#?
• How many molecules are in 3 moles of #H_2S#?
• How many #N_2O_4# molecules are contained in 76.3 g#N_2O_4#?
• How many formula units make up 16.2 g of magnesium chloride?
• How many water molecules are in a block of ice containing 2.50 mol of water?
• How many grams are in 4.40 mol of sodium chloride?
• How many moles of #Cl# are in #1.2 * 10^24# formula units of magnesium chloride?
• Why is sulfur dioxide more massive than carbon dioxide?
• What is the number of nitrogen molecules in 0.6 moles of #N_2#?
• How many molecules are there in 2.80 kg of hydrazine, #N_2H_2#?
• How many moles of #(CH_3)_3NH^+# are in 6.0 g of #(CH_3)_3NH^+# ?
• Question #21afc
• How many moles of #MgI_2# will you have if you have 345.0 g of it?
• What is the mass of 2.75 mol of sodium hydrogen carbonate, #NaHCO_3#?
• How many moles of sodium sulfate are present in .1000 g of the compound?
• What is the mass of 3 moles of sodium atoms?
• What is the mass of .1 mole of magnesium atoms?
• What is the mass of 2 moles of sulfur atoms?
• What is the mass of .01 mole of silicon atoms?
• What is the mass of .5 mole of calcium atoms?
• Question #68fe6
• How many moles of #H_2# are in #4.48*10^-4# #g# of #H_2#?
• How many moles of boron are in #1.21*10^24# boron atoms?
• How many molecules of #CO_2# are there in 55 grams of #CO_2#?
• Question #be6a5
• Question #52adc
• Question #551f7
• How many grams of #O_2# are in 5.0 mol of the element?
• What is the molar mass of lithium oxide, #Li_2O#?
• #"CHClF"_2# with a mass of #7.21 xx 10^(-2)# kg escaped into a room with a volume of #"200 m"^3#. Assuming #"CHClF"_2# is evenly distributed throughout the air in the room, how do you calculate the number of #"CHClF"_2# molecules in a #"250 cm"^3# sample?
• What is the molecular mass of #""^14CO_2#?
• A 1.00 carat pure diamond has a mass of 0.2 grams. How many carbon atoms are there within this diamond?
• What is the molecular mass of sodium oxide #Na_2O#?
• How do you convert 25g #Fe_2O_3# to moles?
• How many moles are present in 32.5 g aluminum chloride?
• What is the mass of 2.25 moles of sulfuric acid?
• Question #dd0a5
• How do you convert 3.01 x 23 atoms of silicon to moles of silicon?
• How many equivalents are in 0.40 mole of #K^+#?
• Question #10231
• How are a mole and a dozen similar?
• The molar mass of copper(II) chloride, #"CuCl"_2#, is #"134 g/mol"#. How many formula units of #"CuCl"_2# are present in #"17.6 g"# of #"CuCl"_2#?
• What is the composition of car-exhaust gas? Is it solely carbon dioxide?
• How many moles are in 98.3 grams of aluminum hydroxide, #Al(OH)_3#?
• Considering the limiting reactant concept, how many moles of C are produced from the reaction of 1.00 mol A and 1.00 mol B?
• What are moles in chemistry?
• Question #fcd51
• Is methanol a polar molecule?
• How many copper atoms are in a pure copper statue with a mass of 176 kg?
• How many helium atoms are in a helium blimp containing 494 kg of helium?
• What is the mass of #4.76*10^21# platinum atoms?
• Why is the mole an important measurement in chemistry?
• How many moles of sulfur are in 80 grams of sulfur?
• What is the mass of 7.2 moles of titanium to the nearest tenth?
• 26.8 moles of argon contain how many atoms?
• Question #33cb2
• Exactly 1 mol of #C_2H_4O_2# contains how many moles of #C,H#, and #O#?
• How many moles of #N# are in 0.193 g of #N_2O#?
• How much does 1.00 mole of #SiO_2# substances weigh in grams?
• How many grams of iron are in 21.6 g of iron(III) oxide?
• How many grams of aluminum are in 25.0 g of aluminum oxide?
• How much carbon can be obtained from 65.3 g of #Ca(C_2H_3O_2)_2#?
• How many molecules are in 35.5 g of #"Cl"_2# ?
• How many atoms are there in 2 moles of sodium?
• What is the mass of 3 moles of barium?
• What is the mass of 8 moles of sodium (Na) atoms?
• What is the mass of water and carbon dioxide that can be produced from 15. moles of octane?
• Question #c8464
• What is the mass of 1.532 moles of a compound with a molar mass of 44 g/mol?
• If a sample contains #1.228*10^23# molecules of #"H"_2"SO"_4# then what is the mass of an individual #"H"^(+)# and #"SO"_4^(2-)# ion?
• How many atoms are present in 48.60 g of Mg?
• The molecular mass of octane is 14.22 g/mol. What is the mass of 22.05 mol of octane?
• Question #d7e9b
• Question #33dee
• Question #24349
• What is the mass associated with #"20 million water molecules?"#
• When a solution is diluted, does it change the number of moles dissolved?
• How many copper atoms are in 2.15 g of copper?
• Question #6cd19
• How many grams of NaCl equal a mole of NaCI?
• What mass of ammonia constitutes a volume of #22.4*dm^3# at #"STP"#?
• Question #d4721
• How many grams are in #3.01*10^23# formula units of #CaCl_2#?
• How many grams are in #12.4*10^15# atoms of neon?
• 22.4 L of hydrogen gas contains how many molecules?
• What molar quantity is associated with #123*mg# of zinc metal?
• Question #ce732
• How would you calculate the mass (in ng) of #2.33 xx 10^20 #atoms of oxygen?
• How would you calculate the number moles of calcium in 27.0 g of Ca?
• What is the pOH of a #4.5x10^-3 M# #OH^-# solution?
• How many molecules are present in one mole of #C_6H_12O_6#?
• What mass is associated with #9.04xx10^23# individual sodium atoms?
• Question #9b11e
• If there are #8.800 x 10^25# atoms of tin, how many moles is this, and what would be the mass?
• How many mols of aluminum atoms are in #1.42 xx 10^24# atoms?
• Question #b769f
• Question #9c32e
• How many #"kg"# of #"C"# atom are in #"3.6 mols"# of #"C"# atom?
• Why is the mass of the dihydrogen molecule TWICE that of the hydrogen atom?
• If I have #9.71xx10^22# #"platimum atoms"#, what molar quantity, and what mass of metal are present?
• I reported a volume of #8.32*mL# for a mass of #6.54*g# with respect to acetone, where #rho_"acetone"=0.7857*g*mL^-1#. Is this correct?
• How many moles of disulfur decafluoride are present in #1.55*10^22# molecules of this compound?
• How many moles of #MgS_2O_3# are in 235 g of the compound?
• What is the molar mass of #C_17H_19NO_3#? What fraction of atoms in morphine is accounted for by carbon?
• How many atoms are there in a single molecule of ammonia?
• What do we mean by #"molar quantities"#? How are these used in stoichiometry, and chemistry problems?
• How many grams of Calcium are in 4.55 moles?
• How many grams of calcium are in 7.0 moles?
• Question #f9eac
• Question #6ba04
• A student heats 30g of #CaCO_3# to produce #CaO# and #CO_2#. How many mole of #CaO# are produced?
• How many moles of iron are in #1.2*10^25# atoms of iron?
• How many moles of aluminium cations are present in #"5.1 g"# of aluminium oxide?
• How many atoms of cobalt are in 8.98 moles of cobalt?
• How many moles are in 7.744 grams of cobalt?
• How many moles of cobalt are in #6.97*10^23# atoms of cobalt?
• Question #7deed
• Question #0e34f
• What mass (in g) does 4.35 moles of Ti (titanium) have?
• How many moles of sodium bicarbonate, #NaHCO_3#, are in 508g, of #NaHCO_3#?
• How many atoms of hydrogen are there in 18 g of water?
• How many atoms of oxygen are there in 18 g of water?
• What are the chemical formulas for barium oxide and lead(II) phosphate?
• How many silver atoms are there in a #0.566*kg# mass of silver?
• How many moles are present in a #"351 kg"# block of calcium?
• What are the formulae of barium nitrate, strontium sulfide, and beryllium iodide?
• How many moles of chlorine gas are associated with a #45*g# mass of the element?
• What is the mass of three moles of ethane?
• 128.3 grams of methane is equal to how many moles of methane?
• How many grams are in a mole of hydrogen chloride?
• How many moles of aluminum do #3.8*10^24# aluminum atoms represent?
• How many atoms are in 0.0362 mol K?
• Question #c3471
• Question #9ee2e
• How many grams are in .345 moles of #Cu#?
• How many molecules are present in a #20*g# mass of #"carbon dioxide"#?
• How many grams of hydrogen are in 22.60 g of #C_6H_12O_6#?
• How many molecules of #N_2O_3# are present in 28.3 g of #N_2O_3#?
• Question #17e2e
• How many #N# atoms are there in one mole of #N_2#?
• How many oxygen atoms are there in a half mole quantity of carbon dioxide?
• Question #87747
• In #0.39*mol# #CO_2(g)#, how many moles of carbon are present?
• Question #a32d8
• Question #15581
• How many #"hydrogen ATOMS"# are present in a #23.7*g# mass of #"methane"#?
• Question #5f5f9
• Question #982d0
• Question #32253
• How many hydrogen atoms in a #23.7*g# MASS of methane?
• What is the molar quantity of carbon dioxide if #0.75*mol# propane gas is combusted completely?
• What is the mass of 38.4 mol of the element nickel?
• What is #"Avogadro's Number"#?
• How many formula units make up 39.8 g of magnesium chloride?
• Question #06e09
• How many atoms are in .54 moles Pb?
• How many atoms are in .1785 mmol magnesium?
• How many cheese doodles are in 1.0 mole of cheese doodles?
• How many cheese doodles are in 2.0 moles of cheese doodles?
• What mass is associated with a #2*mol# quantity of potassium dichromate?
• How many atoms are in 4.93 moles #HCl#?
• How many atoms are in 2.70 moles of iron atoms?
• How many grams are in 0.75 moles of #CO_2#?
• Question #89d0d
• How many atoms of phosphorus are in 3.40 mol of copper(ll) phosphate?
• How many moles of #N# are in 0.217 g of #N_2O#?
• What is the mass of #3.8*10^24# atoms of argon?
• How many moles of carbon atoms are equivalent to 38.1 g carbon?
• How many carbon atoms in a #3.25*"carat"# diamond?
• Question #37793
• Question #3ba68
• What is the molar quantity of a #0.40*g# mass of sodium hydroxide?
• What mass of #CO_2# contains #4.8 xx 10^22# oxygen atoms?
• How many phosphorus atoms are present in a #25.0*g# mass of #"phosphorus pentoxide"#?
• How many moles are in #9.04*10^26# atoms of zinc?
• Question #28af1
• Question #2e4a2
• A sample of carbon dioxide gas contains #6*10^22# molecules. How many moles of carbon dioxide does this represent?
• Question #c7c2e
• Does a #0.10*mol# quantity of oxygen gas contain the same number of atoms as a #0.10*mol# quantity of sodium atoms?
• How do you convert grams to moles to molecules?
• How many grams of iron are in 79.2 g of iron (Ill) oxide?
• How many moles are there in 120 g of glucose?
• How do you calculate the molar mass of pentanol, #CH_3(CH_2)_3CH_2OH#?
• Question #6accc
• How many grams are in 5.7 mol potassium permanganate?
• The mass of a hydrogen atom is 1.0 amu, and the mass of a carbon atom is 12.0 amu. What is the molar mass of methane?
• A salt crystal has a mass of 0.15mg. How many NaCl formula units does it contains?
• How many formula units make up 37.4 g of magnesium chloride (#MgCl_2#)?
• Question #db676
• How many moles of copper ion are present in a #2.00*g# mass of #CuCl_2*2H_2O#?
• What is the mass of 0.175 moles of phosphorus?
• What is the number of moles of solute in 250 mL of a 0.4 M solution?
• How many atoms are in 7.10 g of chlorine atoms?
• How should I study about moles and how they relate to things like Avogadro's number and molar mass?
• How should I study about moles and how they relate to things like stoichiometry?
• What is the molar mass of titanium dioxide, #TiO_2#, the white pigment of white paint, in grams?
• What is the number of moles in #"36 g"# of #"H"_2"O"# ?
• How many moles of sodium carbonate contain #1.773 xx 10^17# carbon atoms?
• An Avogadro's constant amount of any element is equivalent to what?
• How many atoms are in 8.00 mol of #CO_2# molecules?
• Question #1e60c
• Moles question! Molecules vs atoms?
• How many miles are in a single gram of hydrogen cyanide?
• If you have #2.4 xx 10^24# atoms of copper, how many moles of copper do you have?
• Question #1698b
• Question #ca49b
• Question #8911b
• What is the mass in grams of #"3.5 moles Ca"#?
• How much would #4.2 * 10^23# molecules of #KSO_4# weigh in grams?
• How many mols are in 8.00 g #BeF_2#?
• How many mols are in 23.7 g of #KMnO_4#?
• How many mols are in 10.269 g of #Al_2(SO_4)_3#?
• 8g of #"E"_2"O"_3# contain 5.6g of #"E"#. How many moles of #"E"# does a 16.8-g smaple of element #"E"# contain?
• What the difference in saying "1 mol of nitrogen atoms" and "1 mol of nitrogen molecules"?
• What is the mass of 0.500 mol of dichlorodifluoromethane, #CF_2Cl_2#?
• How to convert 3.0 moles of #"ZnCl"_2 #into grams?
• What is the temperature, in K, of 2.20 moles of gas occupying 3.5 L at 3.30 atm?
• How many moles of #MgCl_2# are there in 309 g of the compound?
• How many moles are there in 100 g of copper oxide, #CuO#?
• What is gram atom? 5 g atoms of Nitrogen, how much it would be? Thank you.
• The average cup of coffee contains about 11.0 moles of water. What would this mass of water be?
• How many hydrogen atoms are in 5 molecules of isopropyl alcohol, #C_3H_7O#?
• Question #c1433
• Question #bd6f7
• How many oxygen atoms are there in a #32*g# mass of oxygen gas?
• Question #c8ba4
• Question #ce668
• How many moles of Cu are in #1.48*10^25# Cu atoms?
• Question #992b4
• How many nitrogen atoms are in one molecule of the compound #Al(NH_3)_2#?
• How many particles are in 6.84 grams of #Li_2Co_3#?
• How do you convert 15.0 g to #C_2H_6#?
• How many moles of water are produced from 1.00 mol of butane, #C_4H_10#?
• How many moles of #Fe_2O_3# are in 171 g of the compound?
• How many moles of potassium chlorate must be used to produce 6 moles of oxygen gas?
• How many molecules are there in 237 grams of #"CCl"_4#?
• How many total atoms are in 0.810 g of #P_2O_5#?
• How many grams of water react to form 6.21 moles of #Ca(OH)_2# in #CaO(s) + H_2O(l) -> Ca(OH)_2(s)#?
• What is the number of molecules of 140 g of CO?
• How many molecules of oxygen are produced by the decomposition of 6.54 g of potassium chlorate in the reaction #2KClO_3(s) -> 2KCl(s) + 3O_2(g)#?
• What is the molar mass of #Al(C_2H_3O_2)_3#?
• How many moles of sodium hydroxide contained in 300 mL of a .100M NaOH solution?
• Question #e980d
• What is the mass of #6.12xx10^21# molecules of #"HCl"#?
• What is the number of electrons in a #1.5*mol# quantity of dioxygen gas?
• What is the mass of 8 moles of sodium chloride?
• Question #b8186
• What is the formula mass of the iodine molecule?
• What is the molar mass of an ideal gas if a 0.622 g sample of this gas occupies a volume of 300 mL at 35 °C and 789 mm Hg?
• A gas evolved during the fermentation of sugar was collected at 22.5°C and 702 mmHg. After purification its volume found to be 25.0 L. How many moles of gas were was collected? R = 0.0821 L*atm/K*mol
• A gas mixture contains 1.19 g #N_2# and 0.79 g #O_2# in a 1.60-L container at 25 deg C. How do you calculate the mole fraction of #N_2#?
• What is the mass of one atom of copper in grams?
• How many Li atoms are in 5.8 moles of Li?
• How many #CO_2# molecules are in #1.70 * 10^-2# mole of #CO_2#?
• Question #8b2ee
• How many moles of #NH_3# are produced when 18.5 grams of #N_2# gas reacts with excess #H_2# gas?
• Question #2feed
• Question #7bc7d
• How do you calculate the number of oxygen atoms in 9.20 moles of magnesium iodate?
• How many moles of #"NaCl"# are in 58.5 g of #"NaCl"#?
• What is the gram formula mass of #CuSO_4#?
• What is the gram formula mass of #CuSO_4•5H_2O#?
• According to the balanced equation below, how many moles of #ClO^-2 (aq)# are needed to react completely with 20. mL of 0.20 M #KMnO_4# solution?
• What is the mass of five moles of oxygen gas?
• What is the molar mass of of diazepam if 0.05570 mol has a mass of 15.86 g?
• Question #96d01
• How many molecules are within 1 mol of iron? Lead? Sugar?
• Question #17cfc
• How many moles of methane #CH_4# are there in 80 grams of methane?
• How many molecules of glucose are in 0.5 moles of glucose?
• What is the numerical setup for calculating the number of moles of #CO_2# present in 11 grams of #CO_2#?
• How many molecules are present in a #27*g# mass of #OF_2(g)#?
• How do you calculate the mass of one mole of such hydrogen giving your answer to atoms four decimal places? (The Avogadro constant, L= #6.0225 xx 10^23 mol^-1#)?
• What is meant by the term one mole of molecules?
• How many molecules are in 23 moles of oxygen?
• Sir i need help for understanding symmetry elements which is the basis of group theory.i have read many books containing this subject , however i can't imagine these elements.please help me.thanking you?
• If 120 moles of sodium carbonate are mixed with calcium hydroxide, how many moles of sodium hydroxide are formed?
• How many moles of #CO_2# gas are contained in a flask holding 55.0 g of gas?
• How many moles of argon atoms are present in 11.2 L of argon gas at STP?
• How do you determine the number of moles argon in 452 g of argon?
• Question #c2a76
• How many molecules of aspirin (formula mass aspirin = 180 amu) are in a 0.250-gram sample?
• Question #c2141
• Question #7ae32
• What is the total mass of 0.75 mol of #SO_2#?
• What numerical value represents 1.00 mol of any substance?
• What is the number of representative particles of a substance present in 1 mole of that substance?
• How many moles are present in a #100*g# mass of acetic acid?
• How many molecules are there in 24 grams of #FeF_3#?
• Question #85ef8
• Question #7bffb
• Question #7c421
• The molar mass of copper (III) chloride is equal to how many grams?
• 1.50 moles of sodium nitrate are equal to how many grams of sodium nitrate?
• How many grams are there in #1.5 x 10^25# molecules of #CO_2#?
• When 3.22 moles of #Al# reacts with 4.96 moles of #HBr#, how many or moles #H_2# are formed?
• How many moles are in 110.025 g of #CO_2#?
• #39 x 10^22# molecules of #CO_2# is equal to how many moles of #CO_2#?
• How do you convert 4,300 g of mercury into moles?
• How many moles are in #5.40 x 10^224# molecules of #NO_2#?
• What is the difference between "mole" and "Avogadro's constant"?
• Question #93a29
• Question #fb2aa
• What is the number of molecules in 1.00 mol of iodine crystals?
• The molecular mass of water is 18.02 amu. What is the mass of Avogadro’s number of water molecules?
• Question #3b898
• How many atoms are present in a 112 g sample of #CaBr_2#?
• How many atoms in an #197*g# mass of calcium metal?
• Who is Avogadro and what is a mole?
• Why does 1 amu = 1 g/mol?
• How many moles are there in 400.0 grams of carbon?
• How many water molecules in a #4.5*mol# quantity of water?
• A chemistry student finds that 72.05 grams of carbon were produced in a chemical reaction. How many moles of carbon were produced during this reaction?
• How many atoms of copper are contained in 5.25 moles?
• What is the number of moles of hydrogen in three moles of #C_6H_12O_6#?
• A sample of C25H52 weighs 29.29 g. Its molar mass is 352.77g/mol. How many grams of carbon are in this sample?
• A gas under a pressure of 74 mmHg and at a temperature of 75°C occupies a 500.0-L container. How many moles of gas are in the container?
• For the reaction #2Na(s) + Cl_2(g) -> 2NaCl(s)#, how many grams of #NaCl# could be produced from 103.0 g of Na and 13.0 L of #Cl_2# (at STP)?
• How do you determine the maximum number of moles of product that can be produced from 7.0 mol #Al# and 8.0 mol #Cl_2# according to the equation #2Al + 3Cl_2 -> 2AlCl_3#?
• How many moles of chlorine gas will be required to react with sufficient iron to produce 14 moles of iron (III) chloride?
• How do you work out moles in a chemistry problem?
• How many moles are in #4.21 x 10^22# molecules of #SO_3#?
• How many moles of iron are in 0.067 gram sample of iron oxide?
• How many atoms are in 1.54 moles of Bromine (Br)?
• Question #507b8
• What mass of oxygen is required to make #90*g# of #NO#?
• How many moles do #5.66 x 10^25# lithium ions, #Li^+#, equal?
• What volume is occupied by 1.5 moles of oxygen, #O_2#, gas at STP?
• How many representative particles are in 6.8 g of #H_2O#?
• How many moles of silver nitrate do 2.888 x #10^15# formula units equal?
• How many grams are there in 5.0 moles of #H_2O#?
• How many moles are #2.85 times 10^18# atoms of iron?
• How many moles of xenon do #5.66 xx 10^23# atoms equal?
• What does one mole of oxygen atoms represent?
• How many atoms of carbon are in 20 molecules of glucose, #C_6H_12O_6#?
• How many particle or molecules of #Na_2CO_3# are produced when 10g of #NaOH# is used? #22.3 x 10^24# particles of #NaOH# are needed to produce how many liters of #H_2O#? How many particles/molecules of #NaOH# are from 30 gram of #NaOH#?
• Mole Calculations - I have answered some but not sure if I am doing it right. Could you please tell me if I am doing it right if not correct me so far and the other ones on the sheet too?
• How many atoms in a #9.6*g# mass of sulfur?
• Question #f6b8c
• How many atoms are in exactly one mole of atoms?
• What is the mass of #4.70xx10^22# individual #"sulfur atoms"#?
• How many copper atoms in a #63.55*g# mass of copper metal?
• How many hydrogen atoms in a #15*mol# quantity of water?
• How many moles are present in #7.25xx10^25# #"carbon dioxide molecules"#?
• How many calcium atoms are present in a mass of #169*g# of this metal?
• How many atoms of potassium are in 249 g of potassium sulfate?
• Question #c9225
• What is the mol fraction of water?
• Question #67d21
• Question #3dcc0
• Question #cec2d
• What is the mass of a #1.26xx10^-4*mol# quantity of acetic acid?
• Question #201b5
• How many moles do #5.541*"individual magnesium atoms"# constitute?
• How many moles of sodium chloride are present in #58*g# of the salt?
• What is the mass associated with #4.70xx10^22# #"sulfur atoms"#?
• What is the molar quantity of oxygen given a #3.42*mol# quantity of #Co(ClO_4)_2*6H_2O#?
• Question #153f5
• Question #f8b95
• Question #df940
• What is the mass of four moles of sulfur?
• Question #51840
• How many atoms are in #"0.390 g P"_2"O"#?
• How many moles of nitrogen, N, are in 85.0 g of nitrous oxide, #N_2O#?
• Question #31d2d
• Question #a910e
• Question #10a69
• How many moles of a pure gas are in a 30 liter scuba canister if the temperature of the canister is 27°C and the pressure is 0.4 atmospheres?
• How many oxygen atoms are present in a #120*g# mass of #"nitric acid"#?
• What mass is possessed by #50*mumol# of common salt?
• Question #eb29e
• How many atoms constitute a #3.50*g# mass of #Cu(NO_3)_2#?
• Question #609e5
• Question #4356e
• Question #fa394
• When 0.500 mole of sodium is produced according to the reaction #2NaN_3(s) -> 3N_2(g) + 2Na(s)#, how many moles of nitrogen gas are also produced?
• How many moles of magnesium oxide are produced by the reaction of 3.82 g of magnesium nitride with 7.73 g of water? #Mg_3N_2 + 3H_2O -> 2NH_3 3MgO#
• How many mole trinitrotoluene [#C_7H_5(NO_2)_3#] are in 0.00892 mol of TNT?
• Lithium and nitrogen react to produce lithium nitride: #6Li(s) + N_2(g) -> 2Li_3N(s)#. How many moles of lithium nitride are produced when 0.710 mol of lithium react in this fashion?
• How many atoms of tin are there in 3.50 moles of tin?
• What is the mass of one mole of #CH_4#?
• How many molecules of carbon dioxide exit your lungs when you exhale #5.00 xx 10^2# mol of carbon dioxide, #"CO"_2# ?
• Question #4ef43
• Question #38860
• How many hydrogen atoms are in 4.5 moles of methane molecules?
• How many moles are in 550.0 g of lead(II) sulfate?
• Question #2e3d6
• Question #fe604
• Question #d611d
• How do you calculate the number of mol corresponding to 6.2 g #H_2#?
• How many moles of N are in 0.167 g of #N_2O#?
• How do you convert #4.25 xx 10^-2# mol #H_2SO_4# to molecules #H_2SO_4#?
• If you have 68.5 moles of #P_4O_10# how many moles of #P# are there?
• What mass of phosphorus is contained in a #15.5*g# mass of #P_2O_5#?
• How many moles are there in #5.3 times 10^23# atoms of gold?
• What is the molar mass of benzene?
• How would you determine the number of moles of #N_2# that are required to produce 12 mol of #NH_3# using the equation: #N_2+ 3H_2 -> 2NH_3#?
• Question #3be2d
• A buffer solution is formed when 10.0 #cm^3# of 0.230 mol #dm^-3# aqueous sodium hydroxide are added to 30.0 #cm^3# of 0.550 mol #dm^-3# aqueous propanoic acid. How do you calculate the number of moles of propanoic acid originally present?
• How many moles of water, #H_2O#, are produced from the reaction of 16 grams methane, #CH_4#. with an unlimited supply of oxygen, #O_2#?
• How would you know when you had a mole of a substance for which you knew the formula?
• How many grams of oxygen are in #6.15times10^23# formula units of #(NH_4)_2SO_4#?
• A sample of #C_3H_8# has #6.72 times 10^24# #H# atoms. How many carbon atoms does the sample contain?
• How to calculate the number of moles of hydrogen atoms?
• Which of the following molecules has the largest mass?
• The molar mass of fluorine is 19.00 g/mol and that of aluminium is 26.98 g/mol. How do you calculate the molar mass of aluminium fluoride?
• How many molecules of sucrose, #C_12H_22O_11#, are there in 454 grams of sucrose (#C_12H_22O_11#)?
• What is the mass of 4.50 moles of silver sulfate?
• What is the mass of .50 moles of chromium(II) oxide?
• Question #09020
• Question #d0338
• What is the total mass in grams of 0.013 mole of #I_2#?
• How many grams in 113.5 moles of #LiNO_3#?
• How do you find the number of molecules equal to 1.46 moles of #CaCl_2#?
• 0.314 mol of a diatomic molecule has a mass of 22.26g. How would you identify the molecule?
• Question #69a62
• How would you interpret the given equation in terms of relative numbers of representative particles, numbers of moles, and masses of reactants and products? #2K(s) +2H_2O(l) -> 2KOH(aq) + H_2(g)#
• What number of magnesium ATOMS are contained in a #12*g# mass of the metal?
• How do you convert .4190 moles of oxygen difluoride to particles of oxygen difluoride?
• How do you convert 64.3 g #PbBr_2# to moles?
• One mole of NaCl is added to 100 mL of water in beaker A. One mole of glucose (C6H12O6) is added to 100 mL of water in beaker B. How much more will the freezing point of water be lowered in beaker A than in beaker B? Thank you!
• Question #65ef0
• How many moles are equal to #1.2 times 10^21# molecules of lithium?
• How many iron atoms are present in a #16*g# mass of #FeCl_3#?
• Question #206cb
• How do you convert between moles and liters?
• What is the mass of a single #""^20Ne# atom?
• What molar quantity of sulfur is contained in a #512*g# mass of the element?
• How many grams would 13.2 moles of lead (II) nitrate weigh?
• How many grams of water could be made from 5.0 mol #H_2# and 3.0 mol #O_2#?
• Phosphorus burns in air to produce a phosphorus oxide in the following reaction. What mass of phosphorus will be needed to produce 3.25 mol of #P_4O_10#? If 0.489 mol of phosphorus burns, what mass of oxygen is used? What mass of #P_4O_10# is produced?
• Howe would you calculate the number of moles of Cl atoms in #3.61x10^24# formula units of magnesium chloride, #MgCl_2#?
• Aluminum will react with sulfuric acid in the following reaction: #2Al(s) + 3H_2SO_4(l) -> Al_2(SO_4)_3(aq) + 3H_2(g)#. How many moles of #H_2SO_4# will react with 18 mol Al? How many moles of each product will be produced?
• How many grams of water could be made from 5.0 mol #H_2# and 3.0 mol #O_2#?
• Question #f0b2c
• How many moles does a #44*g# mass of carbon dioxide represent?
• Weight of 50 atoms of an element is 3000 a.m.u. Calculate the number of atoms in 240 grams of element?
• How much sulfate dianion, #SO_4^(2-)# could be made from a #64*g# mass of dioxygen?
• What mass is associated with #23*mol# of methane?
• Question #5993f
• How many ions result from the dissolution of a #11.1*g# mass of calcium chloride in water?
• How many ATOMS in a #0.400*mol# quantity of #N_2O_5#?
• What is the mass of 1.5 moles of #CO_2#?
• Question #d6d72
• Question #68773
• #H_2(g) + Cl_2(g) -> 2HCl(g)+#. If 2 mol of hydrogen gas are mixed with 4 mol of chlorine gas, how many moles of hydrogen chloride will be produced?
• How many atoms are represented in 5.78 moles of #C_6H_12O_6# glucose?
• Joni finds an iron horseshoe and notices how it as a fine layer of red flaky material. On closer examination, it is a fine layer of rust. Given that the horseshoe is 430g, calculate the number of moles of pure iron the original horseshoe had?
• Question #ea2ce
• Question #443c2
• Question #8c3c6
• How many moles are present in a 34.0 g sample of iron metal?
• How many moles of neon (Ne) gas have a volume of of 0.84 and a pressure of of 4.6 atm at 222 K?
• How many Mg atoms are in 3.24 moles of Mg?
• How many moles of aluminum ions are present in 0.44 moles of #Al_2(SO_4)_3#?
• Question #437b0
• Question #e845d
• How do you calculate the energy required to produce 7.00 mol #Cl_2O_7# on the basis of the following balanced equation: #2Cl_2(g) + 7O_2(g) + 130 kcal -> 2Cl_2O_7(g)#?
• Question #eff1e
• What is the number of moles of hydroxide ions in a #5*g# mass of magnesium hydroxide?
• What molar quantity is represented by #1.084xx10^25# oxygen molecules?
• What is the mass of #2.94 times 10^24# molecules of decane #C_10H_22#?
• How do you convert 52 grams of #N_2# to moles?
• What is the mass of #4.22 x10^23# atoms of lead (Pb)?
• How many moles of silver are in a 0.648 g coin of pure silver?
• How many moles are in a 42.5 g sample of magnesium oxide #MgO#?
• How many moles are there in 24.0 grams of #FeF_3#?
• How many atoms are in a 0.250 mol sample of magnesium (Mg)?
• How many atoms are in a 0.250 mol sample of magnesium (Mg)?
• How many moles are there in 397 grams of #Na_2SO_4#?
• How do you find the molar mass of dihydrogen dioxide?
• Question #27b79
• How many grams are in #1.25 x 10^22# atoms of oxygen?
• How many moles are in #1.56 x 10^23# atoms of silver (Ag)?
• What is the mass of #4.22 x 10^23# atoms of lead?
• How many atoms are in 33 g of titanium (Ti)?
• How many moles of potassium iodide, KCI, are there in 50 grams?
• Question #fa66b
• Question #b6a98
• How many electrons in ONE MOLE of carbon dioxide?
• Question #500ae
• Question #12530
• How many atoms are there in one mole of carbon monoxide?
• How many water molecules are in 39 formula units of calcium chloride dihydrate?
• Question #33d48
• Question #8807d
• Question #10dc1
• Question #148c6
• What is the mole fraction of #NaCl# if 117 g of it is dissolved in 180 mL of water?
• What is the mass, in grams, of #3.75 xx 10^15# atoms of gold?
• How do you find the mass, in grams, of #5.00 xx 10^23# molecules of #N_2#?
• How many atoms are contained in 0.55 moles of Br?
• What volume of 0.565 M #K_2CO_3# contains exactly 0.115 moles #K_2CO_3#?
• How many moles of molecules are in 35 g of octane, #C_8H_18#?
• Question #4dc8a
• How many atoms are present in a #13.9*g# mass of #"carbon disulfide"#?
• What mass is represented by #14.8*mol# #"barium chromate"#, and by #1.23xx10^22# chlorine molecules?
• Question #0f255
• Given a mass of #8*g# of oxygen gas, what is the molar quantity?
• The formula for sugar is #C_12H_22O_11#. How many moles of carbon are in 2 moles of sugar?
• How many molecules of carbon dioxide are associated with a mole of carbon dioxide?
• Given #2*g# masses EACH of silicon, tin, sulfur, and selenium, which sample contains the MOST atoms?
• Question #b27d1
• What mass of #"calcium carbonate"# is equivalent to #"Avogadro's number"# pf formula units of #CaCO_3#?
• Question #a30bd
• Question #0ea67
• Question #bd24c
• How many atoms in #18*mol# of water?
• If there are #56*L# of ozone, what molar quantity is present under standard conditions?
• Question #35b10
• Question #2b990
• Question #06e65
• How many moles of oxygen gas are produced when 0.500 mol #Na_2O_2# reacts with water?
• What volume of 5.00 M #H_2SO_4# is required to react with 378 moles Bacl What mass of #BaCl_2#?
• How many moles of He are in 16 g of the element?
• How many neutrons in #5*mol# of water?
• How do you calculate the number of atoms of an element if you know the mass of the sample?
• How many moles of solid aluminum, Al(s) will react completely with 6 moles of HCI (aq)?
• If you are given 2 moles of hydrochloric acid, HCl(aq), how many grams of #H_2#(g) will be produced?
• How many grams of chromium are needed to react with an excess of #CuSO_4# to produce 16.2 g Cu?
• When iron rusts in air, iron (Ill) oxide is produced. How many moles of oxygen react with 6.4 mol of iron in the rusting reaction?
• When iron rusts in air, iron (III) oxide is produced. How many moles of oxygen react with 12.9 mol of iron in the rusting reaction? #4Fe(s) + 3O_2(g) -> 2Fe_2O_3(s)#?
• If 100 molecules of oxygen react, how many molecules of water will be produced?
• How many moles of aluminum are needed to react completely with 5.4 mol of FeO?
• How many neutrons are present in a #54*mL# volume of #""^(1)H_2""^(16)O# under standard conditions?
• Question #8e523
• Question #37baf
• How many grams are there in 3 moles of #NH_4#?
• What number of moles of solute are present in 40.0 mL of 2.00 M HCI?
• How many grams are found in 5.20 mol of cobalt?
• Question #20847
• What is the number of nitrogen-based electrons in a #4.2*g# mass of nitride anion?
• How moles of silicon in a #10*g# mass of same?
• Question #982c7
• Question #745cc
• Question #55cb4
• How many grams of manganese (IV) oxide are needed to make 5.6 liters of a 2.1 M solution?
• Question #5fae2
• How many moles of HBr are present in 18. mL of a 0.400 M solution?
• What is the number of moles of calcium cyanide in 320 g calcium cyanide?
• What is the mass of 0.50 mole of baking soda, #NaHCO_3#?
• What is the molar mass of silver nitrate?
• Which sample contains the greatest number of atoms?
• Question #18188
• How many moles of #H_2SO_4# are present in half a liter of a 0.150 M #H_2SO_4# solution?
• Question #2fc98
• How many #CO_2# molecules are there in 10.0 mol of carbon dioxide?
• How many moles of #Na^+# ions are in 150 mL of a 0.200 M #Na_3PO_4# solution?
• Phosphoric acid, #H_3PO_4#, is neutralized by magnesium hydroxide, #Mg(OH)_2#. How many moles of water will be produced from the neutralization of 0.24 mole of H3PO4?
• How do you determine the mass of 5.20 moles of #C_6H_12# (gram-formula mass = 84.2 grams/mole)?
• How do you calculate the moles and grams of solute in a solution of 1.0 L of 0.50 M NaCl?
• Question #9001f
• Why is the mole the center of the mole road map in regards to conversion factors?
• #Ni(C_2H_3O_2)_4# How many atoms are represented in this formula?
• How many hydrogen atoms are present in one particle of ammonium acetate, #NH_4C_2H_3O_2#?
• A sample of chlorine gas has a mass of 39.2 grams. How many #Cl_2# molecules are there in the sample?
• Question #3ff32
• Question #b9fe7
• #"a. How many sulfur atoms in a 6 mole quantity of sulfur atoms?"# #"b. How many sulfur atoms in a 6 mole quantity of"# #S_8# #"molecules?"#
• How many molecules are in 0.26 mol of #CO_2#?
• How many aluminium atoms are present in 5.396 grams of aluminium? 2Al + 6HCI -> 2AlCl3 + 3H2
• How many oxygen atoms are there in one formula unit of copper(ll) phosphate?
• Question #a292a
• Question #22201
• How many moles of magnesium are in #3.01 times 10^22# atoms of magnesium?
• A student collects 425 mL of oxygen at a temperature of 24°C and a pressure of 0.899 atm. How many moles of oxygen did the student collect?
• Question #1d274
• If a single electron has a mass of #9.107xx10^-31*g#, what is the mass of an electron in kilograms?
• How many carbon atoms in #2*mol# of carbon?
• How many formula units are in #"0.335 g CaO"#?
• Question #e9fb6
• How many atoms are present in 406.4 g of lead?
• What would be the mass of #4.5xx10^26# carbon atoms?
• Question #ddaf8
• Question #bfcbb
• What is the mass of #9.25 times 10^22# molecules of water?
• Question #b1bdd
• Which sample of gas contains the FEWEST molecules?
• How many moles of carbon dioxide is formed when 4.0 moles of carbonic acid decomposes (water is the other product)?
• How many moles of water can be produced from the reaction of 28 g of #C_3H_8#?
• What is the number of moles of #O_2# that will react with 10.0g of #H_2# to form water in the equation #2H_2 + O_2 -> 2H_2O#?
• What is the maximum number of grams of #PH_3# that can be formed when 6.2 g of phosphorus reacts with 4.0 g of hydrogen to form #PH_3#?
• How many atoms are in 5.86 mg of silicon?
• For the reaction #CH_4 + 2O_2 -> CO_2 + H_2O#, how many moles of carbon dioxide are produced from the combustion of 100g of methane?
• Question #708b0
• How many oxygen ATOMS are present in a #25*g# mass of aluminum phosphate?
• Question #ea84f
• How many moles of #Al_2O_3# can be prepared from #11*mol# of aluminum?
• What volume of #SO_2# has the same number of molecules as 24.0 L of #CO_2# when both are at STP?
• How many moles of hydrogen are in a #3.2*mol# quantity of #"ammonium hydroxide"#?
• Question #1ff7e
• Question #3e1fd
• What is the concentration of sodium ions in a (2.2x10^0) mol/L solution of sodium carbonate? (answer to 2 s.d. in mol/L}
• What is the mass of #0.1*mol# of sodium metal?
• Question #f2ea8
• What is the total number of atoms contained in 2.00 moles of nickel?
• Question #1ef73
• Question #00f88
• How many atoms of carbon are in #"0.0235 g"# of cocaine hydrochloride, #"C"_17"H"_22"ClNO"_4#?
• How many grams of #H_3PO_4# are produced when 10.0 moles of water react with an excess of #P_4O_10#?
• If 10 mol of #CaC_2# reacts with #H_2O#, how many moles of #C_2H_2# will be produced?
• A container with 3.1 moles will hold how many liters of gas at STP?
• How many atoms are in 5.0 moles copper?
• In #58*g# of #"ammonium nitrate"#, what mass of nitrogen is present?
• Calculate the number of atoms present in 52 units of He please ?
• If 26.35332 grams of Ca is reacted, how many moles of Calcium Oxide are produced?
• How many liters are 3.4 moles of #HCl(g)# at STP?
• If 20.00 moles of calcium reacted, how many grams of calcium oxide are produced?
• How many formula units constitute a mass of #450*g# of #"calcium carbonate"#?
• Question #98339
• What mass is associated with #5.74xx10^22# #"titanium atoms"#?
• Question #19d6f
• What is the molar quantity of a #458*g# mass of #"lead(II) sulfide"#?
• What is the mass of a SINGLE #""^32S# atom?
• Question #75ce3
• How many moles of oxygen are there in a #1.05 *mmol# quantity of #"aluminum nitrate"#?
• Question #5dbc6
• How do you calculate the number of atoms in 7.50 mol of S?
• How do you convert 100 g of #CuSO_4 * 3H_2O# to moles?
• How many #"neutrons"#, massive, neutrally charged nuclear particles, are present in a #2*mol# quantity of water?
• Question #c646d
• What is the mass (in grams) of #9.45 xx 10^24# molecules of methanol, #"CH"_3"OH"# ?
• How many moles of #MgS_2O_3# are in 241 g of the compound?
• How many atoms are in 153 g of calcium?
• Given the balanced equation representing a reaction: #Mg(s) + Ni^(2+)(aq) -> Mg^(2+)(aq) + Ni(s)# What is the total number of moles of electrons lost by Mg(s) when 2.0 moles of electrons are gained by #Ni^(2+)#(aq)?
• What is the molar mass of calcium hydroxide?
• Which option contains a #2*g# mass of sodium atoms.... #1.# #5.24xx10^22*"sodium atoms?"# #2.# #6.022xx10^24*"sodium atoms?"# #3.# #3.12xx10^23*"sodium atoms?"# #4.# #5.24xx10^22*"sodium atoms?"#
• Question #ec2b4
• How many dozen atoms are in #6.05xx10^22# atoms of #"Ag"#?
• How many molecules are there in #6C_6H_12O_6#? How do you know?
• Question #8f05e
• If there are #2.50xx10^18# lead atoms, what is the mass of this quantity?
• What is the mass of #6xx10^22# #"zinc atoms"#?
• How many molecules of dioxygen are associated with a #3.2*g# mass of this gas?
• What mass of carbon constitutes a #16.5*g# mass of glucose?
• What molar quantity with respect to chloride ions is associated with #1.81xx10^24# #"magnesium chloride formula units"#?
• How many electrons in a #196*g# mass of sulfuric acid?
• Question #72d3b
• How many moles are in 160 g of methane?
• How many moles are in 250 g of calcium carbonate?
• How many moles are in 2.9 g of magnesium hydroxide?
• In a #1*mL# volume of solution that is #0.10*mol*L^-1# with respect to #CaCl_2(aq)#, what is the NUMBER of #"ions in solution?"#
• How many moles of phosphorus trichloride would contain #3.35 times 10^24# molecules of phosphorus trichloride?
• Question #7908b
• How many atoms of iron are present in one mole of iron?
• How many copper atoms are there in a mole of copper atoms? What is the number of copper atoms in #6.4*g#?
• What are (a) the number of molecules in a water drop whose mass is #0.05*g#; (b) the number of hydrogen atoms in such a drop; and (c) the number of oxygen atoms?
• Question #67d87
• Roughly how many atoms are in a 1 cm cube?
• #SO_2(aq) + I_2(aq) + 2H_2O(l) -> SO_4^(2-)(aq) + 2I(aq) + 4H^(+)(aq)#. What is the amount, in moles of iodine in 15.00 #cm^3# of a 0.0010 mol/#dm^3# solution?
• How many nitrate ions, NO3-, and how many oxygen atoms are present in 1.00 microgram of magnesium nitrate, Mg (NO3)2? Also what mass of oxygen is present in 1.00 microgram of magnesium nitrate?
• Question #c9edc
• How many nitrate ions, #"NO"_3^(-)#, and how many oxygen atoms are present in #1.00# #mu"g"# of magnesium nitrate, #"Mg" ("NO"_3)_2#?
• How many formula units are in a #17.2*g# mass of magnesium chloride?
• How many moles of magnesium, chlorine, and oxygen are in 7.90 mol of #"Mg"("ClO"_4)_2#?
• Question #34b29
• Question #49fad
• Question #2a761
• Which of the following has the largest number of oxygen atoms?
• How many electrons are associated with a #4.2*g# mass of nitride anion?
• How many formula units are present in a #12.6*g# mass of #MgCl_2#?
• Question #6effe
• Question #e4dde
• How many oxygen atoms in a #10*mol# quantity of sulfuric acid?
• Question #a32d5
• Question #5d8ea
• Question #ac336
• Question #e50ee
• Question #9fbfb
• Question #ffa43
• How many carbon atoms in a #6*g# mass of glucose?
• How many moles of #Ca(NO_3)_2# are there in 75 mL of 0.25 M solution?
• How many moles are represented by #1xx10^23# individual carbon dioxide molecules?
• How many hydrogen atoms are in five molecules of #H_2O#?
• A mole of O atoms contains how many atoms?
• Question #3f4a2
• Question #33084
• How many moles of ethanol are represented by 50.0 kg of ethanol?
• Question #1a288
• What is the mass of #5.306xx10^12# individual molecules of #PCl_3#?
• What are the numbers, and types of atoms in a #245*g# mass of sulfuric acid?
• Question #380d4
• Question #b34ea
• Question #fd627
• Question #1e5b3
• #24.08 times 10^23# atoms of boron is equal to how many moles of Boron?
• How many ATOMS in a #18*g# mass of glucose?
• How many hydrogen atoms are present in an #18*mL# volume of water?
• In one mole of glucose, how many oxygen atoms are present?
• How many molecules in a #2.8*g# mass of CARBON DIOXIDE?
• How many molecules are in 5 mg of aspartame?
• Question #b3926
• WE have #1*g# masses of gold, lithium, sodium, and chlorine... Which sample contains the greatest number of atoms?
• What is a #"mole"#?
• Question #42152
• Question #cd962
• How do you calculate the number of molecules in 4.00 moles #H_2S#?
• What is the molar quantity of sulfur in a #192*g# mass of the element?
• Question #fd577
• What mass is associated with a #1/2*mol# quantity of sodium hydroxide?
• Which of the following contains maximum number of atoms? a. 22.4 L of CO2(g) at STP b. 1 g molecule of CaCO3 c. 1 mole of SO3(g) d. 6*10²³ molecules of NH3
• Question #886d1
• Question #f8e03
• Question #e888f
• Question #66091
• Question #c7952
• Question #d7ebc
• What is the molar quantity contained in a #0.280*L# volume of #N_2O#?
• What is the mass of #12.04xx10^23# #"formula units"# of #MgCl_2#?
• What molar quantity is represented by a #0.46*g# mass of sodium metal?
• Convert A) 10 atoms of C to mol C B) 5.1x10^22 atoms Cu to grams?
• Question #b7de9
• How do you determine the mass of potassium in 33.5 g of KCl?
• How many hydrogen atoms are present in 25.3 grams of methane?
• How do you convert the following? A)0.56 mol C6H6 to molecules C6H6 B) 4.25x10^-4 mol to H2SO4 to grams
• What NUMBER of carbon monoxide molecules constitutes a mass of #28*g#?
• How many molecules in a HALF-MOLAR quantity of #N_2O_5#?
• How many molecules or formula units are present in the following? A)1 mole of H2O B) 2.67 moles of CO2
• How many Oxygen atoms in 1.44 x 10^5 kg of Nitrogen Oxide?
• Question #1743d
• Question #6a19b
• Question #407ab
• Question #4c9dc
• Question #b94a2
• How many moles of nitrogen in a mass of #14*g# of dinitrogen gas?
• How many formula units in #5.88*mol# of #CaO_2#?
• What is the number of sulfur atoms in a #100*mol# of sulfur?
• Question #54f48
• Question #b19de
• Question #c376a
• Question #5991c
• How many molecules, and how many ATOMS, are present in a #1*g# mass of nitrogen gas?
• Question #40c08
• Question #65232
• How many moles are in #"1.68 g Fe"#?
• Question #485ae
• How many metal atoms in a #3.4*g# mass of copper?
• Question #47cde
• How many aluminum-based electrons are present in a salt where there is an #81*g# mass of aluminum ions....?
• Question #b7819
• What molar quantity is associated with a #0.44*g# mass of #"carbon dioxide"#?
• What is the molar quantity of ammonia associated with a #1.9*g# mass of same?
• Question #5dfc9
• What is the mass of #1.7 times 10^23# atoms of zinc?
• Question #b64d1
• Which sample contains the least number of atoms: #"2 g Ar; 2 g C; 2 L He; 2 L dihydrogen gas"#?
• Question #7c768
• Question #336a1
• Which quantity contains the LEAST number of atoms?
• If one has #4.50 xx 10^22# atoms of silver, what mass is available?
• What is the mass of hydrogen in #"72.0 g CH"_4"#?
• How many hydrogen atoms are in 4.2 moles of methane?
• What is the mass of 500 molecules of #"NaCl"#?
• How do you calculate the mass of a #""^1H# atom?
• In the body, caffeine, #C_8H_10N_4O_2# acts as a stimulant and diuretic. How many moles of nitrogen are in 2.50 grams of caffeine?
• Question #2270c
• Question #9885a
• How many atoms of aluminum are there in a piece of foil that has a volume of #"2.00 cm"^3#? The density of aluminum is #"2.702 g/cm"^3#
• A mixture of gases contains #"H"_2# and #"O"_2# gases in the ratio of #"1:4 w/w"#. What is the molar ratio of two gases in the mixture?
• What is the mass of #"0.1 mols"# of electrons in #"amu"#?
• Question #6de44
• Question #2df5d
• Question #3a4ee
• How many chlorine atoms are contained in a #2*mol# quantity of #FeCl_3#?
• What mass of aluminum contains twice as many atoms as 35.00 grams of copper?
• Which of the following statements is correct?
• The average mass of a dime coin is #"2.28 g"# and the mass of an automobile is #2.0 * 10^3# #"kg"#. What is the number of automobiles whose total mass is the same as #1.0# mole of dimes?
• Question #5c1f1
• Question #3fa99
• Question #e7929
• Question #fc45c
• Question #eb96a
• Question #2d08d
• Question #f6944
• How many valence electrons in a mole of chloride anions?
• How many carbon atoms in a #5.85*g# mass of #CBr_4#?
• How many copper atoms in a #860*kg# mass of the metal?
• How many oxygen atoms in an 8 mole quantity of carbon dioxide?
• A sample of propane gas contains #9.36xx10^24*"hydrogen atoms"#. What mass with respect to carbon, and hydrogen, AND propane, does this quantity represent?
• How many atoms are in 3.5 moles of arsenic atoms?
• How many moles of iron (Fe) is #5.98 times 10^24# atoms of iron?
• Question #318cb
• Question #5cf43
• How many bromine atoms in a #246.1*g# mass of bromine molecules?
• Question #7d554
• For a material whose molar mass is #88.0*g*mol^-1#, what mass does a #50*mmol# quantity represent?
• How many atoms of Chlorine are present in 0.072g of FeCl3?
• Question #0a460
• Please explain about the way to calculate the number of atoms of a certain element in a given mass of a compound?
• Question #ca53b
• What molar quantity is associated with #19.32*g# mass of magnesium metal?
• Question #ba64c
• In a sample of carbon dioxide, there is a #3.2*g# with respect to oxygen...what is the mass of carbon dioxide?
• How many atoms are in #"1.5 mol HCl"#?
• What is the number of atoms of hydrogen in 1.00 pg of humulone?
• How many molecules are present in 1kg mole of a substance?
• Question #0a3ea
• Question #ff8b4
• How many moles of chloride ion are present in a #47.6*g# mass of #MgCl_2#?
• How many oxygen atoms in #6*mol# of glucose?
• Question #87058
• How many atoms are there in a #58.7*g# mass of #"ammonium nitrite"#?
• What mass of #BF_3# contains the same number of molecules as a #0.53*g# mass of water?
• What molar quantity is associated with a #130*kg# mass of water?
• Question #ffe51
• If Avogadro's number of pennies is divided equally among the 291 million men, women, and children in the United States, how many dollars would each receive?
• Question #c5870
• How many oxygen molecules are needed to make a #3.43*g# mass of #SO_2#?
• How do I find the amount of atoms in 1 Liter H20?
• Question #5af27
• What molar quantity is represented by a #5.75*g# mass of sodium?
• How many gold atoms are there in a #5.37*mol# quantity of the metal?
• Question #b5e69
• What is the mass of # 2.70\times 10^22# tungsten atoms?
• What mass is associated with a #1.08xx10^23# #"silicon atoms"#?
• How many ATOMS in a #6*mol# quantity of #HCl(g)#?
• How I can calculate the number of hydrogen atoms in one gallon deionized water? thank you so much.
• How much gallons of deionized water contains 2,000,000 hydrogen atoms?? Please solve. Thanks a lot.
• If the mass of a single electron is #9.10938xx10^-31*kg#, how many electrons constitute a mass of #1*g#?
• Question #1dca1
• How many moles of carbon are present in a 3.0 mm by 3.00 mm by 0.5 mm diamond that's cut in the shape of a rectangular prism?
• Question #bfdfb
• Question #8cba1
• Question #eb51b
• Question #47af6
• Question #b8d89
• Question #ef6cd
• What molar quantity is represented by #3.011xx10^23*"magnesium atoms"#?
• Question #fcf3f
• Question #0cc70
• How many molecules of calcium are in #"463.78 g"# of calcium?
• What is the molar mass of water??
• Question #07ab7
• Question #9c2f7
• Question #2eec6
• Question #5d254
• Question #43923
• Question #7883c
• How many water molecules in a #0.90*g# mass of water?
• Question #51f38
• How do you determine the mass of a substance when given the moles of the substance?
• Question #94cff
• Question #13d55
• Question #c26f4
• Question #1571e
• Question #b77a3
• Question #afbfc
• Question #aff6c
• How many atoms are in 5.632 mol of magnesium?
• How many molecules of #NH_3# are produced from # 7.52\times10^-4 g# of # H_2#?
• Question #3b507
• Question #b6fe8
• Magnesium chloride has an atomic mass of 94 amu. What is the mass of one mole of magnesium chloride?
• How many moles of potassium are there in #2.4 \times 10^21# atoms K?
• Question #8da6a
• How many moles of #KNO_3# are contained in one liter of 0,2 #KNO_3# solution?
• How many moles are equivalent to 71.1 grams of barium nitride?
• Question #6a1e0
• Question #e79ab
• Question #57163
• Question #560e6
• How many iron and chlorine atoms are there in an #18*mol# quantity of #FeCl_3#?
• Question #a264c
• How do you convert 8.5 mol of Ca to atoms?
• Question #1caee
• Question #93f51
• Question #f3e04
• If there are 7.44 x 10(23) atoms of gold, how many moles of gold are there?
• Question #2b5ce
• Question #9142e
• Question #bc7b6
• Question #8e917
• Question #4dd5f
• Question #4c11e
• How many moles of #KCl# are produced from 2.50 moles of #K# and excess #Cl_2#?
• What MOLAR quantity does #2.57xx10^11# #"individual atoms"# represent?
• Question #efe8d
• Question #77d78
• Question #a279a
• How many molecules are there in 14.1 moles of sulfuric acid, #H_2SO_4#?
• Question #4b22d
• What mass of magnesium contains the same number of atoms as 8.0g of calcium?
• How many moles are in #4.65 times 10^24# molecules of #NO_2#?
• What mass of water would you need to have 15.0 moles of #H_2O#?
• What is the mass of 0.35 moles of oxygen gas molecules?
• What is the mass of two moles of oxygen gas(O2)?
• Question #e73d1
• Question #038ae
• How many moles are in 12.64 grams of carbon dioxide?
• How many atoms of carbon are present in #"62.0 g"# of this element?
• Question #f1ab0
• What is the mole ratio of #Fe_3O_4# to #Fe#?
• Calculate the number of molecules in #14.8# moles of water #("H"_2"O")# ?
• How to calculate the number of moles in 6.6 grams of ascorbic acid vitamin C equals C6H8O6 equals 176 grams / moles?
• Question #15ad1
• 2.5 moles of water contains how many molecules??
• Question #c0970
• Question #55ad8
• How many moles of nickel are in #5.12 * 10^25# atoms of nickel?
• Question #67ca3
• How many grams are in 0.02 moles of beryllium iodide, #"Bel"_2# ?
• Question #1b1d1
• How many moles of lithium are in 15 atoms of lithium?
• How many moles of argon are in #2.2xx10^20# molecules of argon?
• Question #a4835
• What mass of salt would result from the reaction between the alkali metal, and #10*mol# #"chlorine gas"#?
• How many moles are in #4.5 xx 10^24# molecules of sodium fluoride, NaF?
• How many moles are in 98.3 formula units of aluminum hydroxide, #"Al"("OH")_3# ?
• The number of moles present in #"44 g"# of #"CO"_2# ?
• 2.4 moles of lead (II) hydroxide is how many grams?
• How many moles are there in #"5.3 g"# of #"KNO"_3# ?
• How many grams are in 4.5 x 1028 moles of sodium fluoride, NaF?
• How many grams are in 2.3 moles of phosphorus?
• How many water molecules are in #0.15# moles of #"H"_2"O"#?
• Convert 345 moles of #"H"_2"O"# to molecules?
• What is the mass of 3 moles of #"C"_2"H"_2# ?
• How many Fe atoms are contained in 787 g of Fe?
• You have 40g of MgCl2. How many atoms of Cl are in the sample?
• How many atoms are there in 0.00150 moles of zinc? Please help me and explain it to me thanks
• How many eggs are in 1 mole of egg sandwiches ?
• How do i calculate the number of moles of magnesium, chlorine, and oxygen atoms in 7.70 moles of magnesium perchlorate, #"Mg"("ClO"_4)_2#. Express the number of moles of Mg, Cl, and O atoms numerically, separated by commas. moles of Mg, Cl, O =?
• What is the mass of #1.2*10^18# formula units of calcium chloride?
• Calculate the mass present in 0.75 mole of sodium chloride?
• Calculate the number of sodium ions and chlorine ions and total number of ions in 14.5g of NaCl ?
• How many moles are in 0.208g of Mg?
• Calculate the mass of carbon dioxide that contains the same number of atoms of oxygen as present in #"1.8 g"# of water?
• How many water molecules are in 4.0 moles of water?
• How many formula units make up #"25.0 g"# of magnesium chloride?
• Could i have some help please ??
• Calculate the mass in kilograms of #2.6xx10^23# molecules of #"SO"_2# ?
• How many water molecules are present in 54 gram of water?
• What is the mass of 0.5 moles of #"CO"_2# ?
• How many moles of #"H"_2"O"# contain #2.60 * 10^23# molecules of water?