# Molality

### Topic Page

Molality### Questions

- How do molality and molarity differ?
- How high can molality be?
- How do you calculate molality from molarity?
- Why is molality used for colligative properties?
- Why is molality independent of temperature?
- How can I calculate the molality when 75.0 grams of MgCl2 is dissolved in 500.0 g of solvent?
- 49.8 grams of KI is dissolved in 1.00 kg of solvent. What is the molality?
- 58.44 grams of NaCl and you dissolved it in exactly 2.00 kg of pure water (the solvent). What would be the molality of the solution?
- What is the molality when 0.75 mol is dissolved in 2.50 L of solvent?
- What is the molality when 48.0 mL of 6.00 M H2SO4 are diluted into 0.250 L?
- If I have 2.00 moles of solute dissolved into 1.00 L of solvent. What's the molality?
- How can I calculate molality of ions in solution?
- How can I calculate molality of pure water?
- How can I calculate molality of an aqueous solution?
- How does molality affect the boiling point?
- How does molality affect the freezing point?
- How do you change mol to grams?
- How do you find the molality of an unknown solution?
- How do you calculate moles of solute?
- How do you calculate the number of moles?
- What are some common mistakes students make with molality?
- What volume of water must I evaporate from 10.00 L of a 0.135 mol/kg solution of potassium chloride to get a 0.450 mol/kg solution?
- How can you convert between molarity and molality?
- Why is molality a useful measurement?
- Question #d99e7
- Question #bb918
- Question #497d6
- Question #0fbc0
- Question #6469b
- Can you help me with this? 20 g of glucose is dissolved in 150 g of water. Calculate the molarity, molality & mole fraction of glucose in solution.
- Can someone help me in this? Concentrated #HNO_3# has specific gravity of 1.42. It contains 69% w/w (weight by weight) of #HNO_3#. Calculate the molarity and molality of the solution?
- Question #d42e2
- Question #c0ec1
- Question #ff5e9
- Question #d6d89
- What is the #"molality"# of a #5.0*g# mass of toluene dissolved in #255*g# of benzene?
- Question #2e57b
- Question #71376
- Question #fbb60
- How many grams are in 3.8 m moles of #CH_4#?
- What is the molality of a solution made made by dissolving 2 moles of NaOH in 6 kg of water?
- What is the molality of a 21.6% (by mass) aqueous solution of phosphoric acid (#H_3PO_4#)?
- The concentration of a water solution of #NaCl# is 2.48 m, and it contains 806 g of water. How much #NaCl# is in the solution?
- What is the molality of a solution that contains 31.0 g #HCl# in 5.00 kg water?
- What is the molality of a solution that contains 5.10 mol #KNO_3# in 4.47 kg water?
- What is the molality of an aqueous solution whose new boiling point is #102.5^@ "C"# due to adding a nonvolatile solute?
- Question #b2f75
- Question #1a27e
- Question #7d76d
- Question #fb5ec
- Question #856a9
- What is the molality of a solution of 560 g of acetone, #CH_3COCH_3#, in 620 g of water?
- What is the molal concentration of 0.1 mol/L #"HCN"#?
- Question #da8a3
- What is the molality of #NaCl# if the freezing point of a #NaCl# solution is -5.58 C°?
- Question #0112a
- Question #31da1
- Question #4c9b0
- How many kilograms of solvent are there in a sample of 0.30 molal solution if the sample contains 13 moles of solute?
- Question #9c132
- Question #2e7d7
- Question #b54e2
- If #"12.0 g"# of benzene is mixed with #"38.0 g"# of #"CCl"_4#, what is the molality?
- What is the molality of a water solution that boils at 101.70°C?
- Question #269cf
- What is the molality of a solution in which 2.3 g #O_2# gas dissolved in 355 g of water?
- What is the molality of a #56*g# mass of common salt dissolved in #18*mL# of water?
- How many grams of lithium sulfate (#Li_2SO_4#) are required to dissolve in 459 g of water to make a 1.23 m solution?
- Question #1f9b8
- A solution is made by dissolving 14.57g of sodium bromide in 415g of water. What is the molality of the solution?
- How many grams of potassium sulfite are required to dissolve in 872g of water to make a 0.128m solution?
- How many grams of barium hydroxide required to dissolve in 156g of water to make a 0.247m solution?
- What mass of #AgNO_3# would be required to prepare a 0.250 molal solution in 125 g of water?
- Question #75537
- The density 10.5 molal of #NaOH# solution is 1.33 gmL-1. How do you calculate mole fraction of #NaOH#?
- Question #10c19
- Question #f5a94
- What is the molality of a solution that contains #"3 g"# of glucose dissolved in #"30 g"# of water?
- What is the molality of a solution prepared by dissolving 150.0 g #C_6H_12O_6# in 600.0 g #H_2O#?
- A household chlorine bleach is a water solution that is 5.00% by mass sodium hypochlorite. What is the molality of the hypochlorite in the solution? What is the mole fraction of hypochlorite in the solution?
- What mass of solute is required to prepare a #0.875*"molal"# solution from #534*mL# of water solvent?
- What is the molality of a solution that has 6 mol of #CaCl_2# in 3 kg of water?
- What is the molality of a solution in which 25 g of NaCl is dissolved in 20 Kg of water?
- Question #7233e
- What is the concentration with respect to sodium hydroxide if a #10*g# mass of same is dissolved in a #1*L# volume of solution?
- What is the molality of a solution prepared by dissolving 19.9 g of KCI in 750.0 mL of water?
- Question #c028e
- What is the #"molality"# of a #30*g# mass of sodium hydroxide dissolved in a #100*g# mass of water?
- Question #07b8f
- Question #c5a04
- Question #5b4e9
- Question #3acdc
- If 18.6 g of methanol is used to dissolve 2.68 g of #Hg(CN)_2#, what is the molality of the solution?
- Question #5a849
- What is an expression of molality?
- A mass of 134 g of manganese dibromide is dissolved in 225 g of water. What is the molality of the solution?
- What is the #"molality"# of a #0.030*g# mass of sugar dissolved in #300*mL# of water?
- What is the mole fraction with respect to ethanol of an aqueous solution whose #"molality"=44.1*mol*kg^-1#?
- Question #cdf3b
- Question #f6c5d
- Why are 1 molar and 1 molal solutions of glucose different concentrations?
- Question #b0614
- What is the #"molality"# of pure water?
- What sort of property is #"boiling point elevation"#?
- Question #36be0
- Why are #"molality"#, and #"mass percent"# SOMETIMES used in preference to #"molarity"#?
- Question #31c13
- Question #7deb5
- Question #c92ff
- What is the #"molality"# of an aqueous solution of #KCl#, if #"molarity"=1*mol*L^-1#, and #rho_"solution"=1.04*g*mL^-1#?
- A #20*g# mass of #CaCl_2# was dissolved in #700*g# of water. What is the molality of the solution with respect to #"calcium chloride"#?
- Question #fa222
- If the boiling point increases by #"0.126 K"# for a solution of a nonelectrolyte in benzene, what molality was required? #K_b = "2.52 K" cdot "kg/mol"#.
- How many grams of sodium fluoride (NaF) are needed to prepare a 0.400 m NaF solution that contains 750 g water?
- What are the molal concentrations, and mole fractions, of a #385*mg# mass of #C_26H_46O# dissolved in #40*mL# of chloroform?
- Question #b1eda
- Question #ea88a
- Question #2177b
- What are the #"molarities"# and #"molalities"# of a #180xx10^3*g# mass of glucose dissolved in #1*kg# of water?
- What is the #"molality"# of a #10*g# mass of salt, whose formula mass was #36.46*g*mol^-1#, that is dissolved in a #100*g# mass of solvent?
- The molality of a 1L solution with x% H2SO4 is 9. The weight of solvent is 910 grams. The value of x is?
- Calculate the molality of a sulfuric acid solution of specific gravity 1.2 containing 27% #H_2SO_4# by **weight**?
- Question #9c6af
- What is the #"molality"# of a solution composed of #684*g# of sucrose dissolved in a mass of #1000*g# of water?
- What is the #"molality"# of a #4.00*g# mass of sodium chloride dissolved in #100*mL# of water?
- Question #f2d31
- Calculate the molality of a solution made by dissolving #"115 g"# of #"NaNO"_3# in #"500. mL"# of water? The molar mass of #"NaNO"_3# is #"85.0 g/mol"# and the density of water is #"1.00 g/mL"#.
- Question #608c2
- Calculate molality of a #"1-L"# solution of #93%# #"H"_2"SO"_4# mass by volume. The density of the solution is #"1.84 g/mL"# ?
- What is the molality of a #"H"_2"SO"_4# solution which is #"96% w/w"# ? #M_M = "98 g/mol"#