Solutions

Topic Page

Questions

• How are solution, solute, and solvent related?
• Why do solutions become saturated?
• How does temperature affect solutions?
• How does a solution differ from a colloid?
• Calculate the amount of 1 M NaOH aqueous solution needed to make 100 mL of 0.5 M NaOH aqueous solution.
• How does buffering a solution change the solutions behavior?
• How does Benedict's solution change colour?
• Describe how would you prepare 1 L of a 1 M solution of sodium chloride. The gram formula weight of sodium chloride is 58.44 g/mol.
• How do solutions differ from suspensions?
• How does a solution differ from a compound?
• How can solutions be different?
• How can a solute be separated from a solvent?
• Explain the use of preparing standard solutions and titrations?
• How can a solvent dissolve a solute?
• What are some examples of a solute?
• Question #f3ede
• Question #11d6b
• Question #1c0d4
• Question #4ede0
• Question #0e130
• Question #e3565
• Question #f52da
• Question #57f2d
• Question #48f56
• Are all homogeneous mixtures also solutions?
• Determine the mean activity coefficient and mean activity of a #"0.004 molal"# of #"Ba"("HCO"_3)_2#?
• Question #376a3
• Question #0b26b
• Question #9dd74
• #20*g# of #KOH# are dissolved in #20*g# of water. What are the solute and solvent in this scenario?
• I want to make 1oz solution from these ingredients: Alcohol 55.0 % Distilled water 44.0% Salt ( sodium Chloride) 1.0%. Please let me know with explanation Thank you so much. ?
• Question #2e157
• What is the difference between a colloid, and a solution?
• What is the charge on a #"surfactant"#?
• How can you can tell the difference between a solution and a clear colloid?
• How many grams of nitric acid are present in 250.0 mL of 6.70 M acid solution?
• How much water would I need to add to 500 mL of a 2.4 M KCl solution to make a 1.0 M solution?
• When sodium chloride, #NaCl#, is dissolved in water, the sodium and chloride ions move apart from one another. Why doesn't the sodium then react explosively with the water, like solid sodium metal does?
• When nail polish is dissolved in acetone, which substance is the solute, and which is the solvent?
• What will occur when a saturated solution of a solute is cooled, if the solute does not crystallise?
• What is the solute in a solution of calcium chloride (#CaCl_2#) and water?
• Is hyponitrite polar or nonpolar?
• If you let a drop of honey dissolve in a glass of warm water, what is the solvent and solute for the resulting solution?
• When sugar is added to water, the sugar dissolves and the resulting liquid is clear. Do the sugar and water form a pure substance, or do they form a mixture?
• In a Lewis diagram, how do I know which one to put into the middle? Please give a detailed explanation! Thanks so much!
• In a 56.0 g aqueous solution of methanol, #CH_4O#, the mole fraction of methanol is .270. What is the mass of each component?
• How many liters of a 30% alcohol solution must be mixed with 20 liters of a 80% solution to get a 70% solution?
• What mass of sodium dichromate is required to prepare a #250*mL# volume of #0.050*mol*L^-1# concentration with respect to dichromate?
• How are pH and pOH related?
• Why does pH + pOH = 14?
• How do you find pOH from pH?
• What are the pH and pOH scales?
• How to you convert between pH, pOH, [H+] and [OH-]?
• How do you calculate pOH?
• How do you find the pH, the pOH, [H3O+], and [OH-] in equations?
• What is the equation to find pH and pOH?
• If Kb for #NX_3# is #7.5x10^-6# , what is the pOH of a .175 M aqueous solution of NX3?
• What is the pH of a 0.0001 M solution of HNO3? pOH?
• What is the [H+] concentration if the pOH is 7.08?
• If pH + pOH=14, what is the pOH of the lemon juice?
• If the pH of a solution is 6.2, what would the pOH be?
• If the pH of a solution is 10.7, what would the pOH be?
• A solution is prepared to be 0.1475 M in Sr(OH)2. How do you find the [H3O+], [OH‐], pH, and pOH?
• How do you find pOH if [H+] is given?
• How do you get pH and pOH given pka or pkb?
• What is pOH and how does it relate to pH?
• How is pOH determined?
• Why is it important to determine a solutions pOH?
• Why is pOH important?
• How do you calculate pOH of NaOH?
• How do you calculate the pOH of HCl?
• How do you find pOH given pH?
• How do you find pOH from OH?
• How do you change pOH to pH?
• What is pOH used for?
• What does pOH stand for?
• What does pOH mean?
• What is pH in chemistry?
• Are pH and pOH related to each other?
• How do you calculate the pOH of a solution?
• Why is milk a colloid?
• What are examples of colloids?
• What is the difference between a colloid and a solution?
• What are solutions, colloids, and suspensions?
• What is the difference between a colloid and a suspension?
• A student was given liquid and told that it contained a mixture. How could the student determine whether or not the mixture was a solution, suspension, or colloid?
• What is the difference between colloids, suspension and true solution?
• How are a colloid and a suspension alike and different?
• How do colloids size up?
• How do you separate colloids?
• Question #055e9
• What do solutes dissolved in solvents create?
• In a solution of brine (salt water), what is the salt?
• What is the overall effect of adding a solute to a solution?
• Question #a8e15
• How many phases are present in a colloid?
• What is a suspension?
• What does the suspension mean in medicine?
• Is a suspension a homogeneous or a heterogeneous mixture? What about a colloid?
• What does homogeneous suspension mean?
• What are the characteristics of a suspension?
• What is a suspension medication?
• How can a suspension be separated?
• How can you identify a suspension?
• How do suspensions differ from solutions?
• How does a suspension differ from solution?
• What are some examples of a suspension?
• What are some examples of colloids and suspensions?
• What is a suspension in chemistry?
• Are these a colloid, suspension, or solution?
• What are the differences between a solute/solvent and solution/suspension?
• What are suspensions and emulsions, in science?
• How do you calculate the pH of the solution made by adding 0.50 mol of #HOBr# and 0.30 mol of #KOBr# to 1.00 L of water?
• What are some examples of gas solutions?
• Question #83d96
• In a solution if substance A makes up 1%, substance B makes up 9%, substance C makes up 20% and substance D makes up 70%, which substance would generally function as the solvent?
• Which term defines the following: moles of solute + mass of solvent in kg?
• How many grams of NaOH are needed to prepare 250 mL of 0.205 M NaOH?
• Is it safe to use a 0.50% (m/v) #MgCl_2# solution in an IV? If not, how do you calculate the concentration (m/v%) that would be safe?
• What effect does a solute have on the freezing and boiling points of the solution?
• 5. Ethanol has the formula #C_2H_6O#. Acetic acid has a similar formula of #C_2H_4O_2#. If there was a difference in your results for electrical conductivity of aqueous solutions for these compounds, how could this be explained?
• How many grams of a 17.8% sugar solution contain 68.0 g of sugar?
• What are substances that dissolve in water to form solutions that conduct electricity called?
• How do you determine if a pair of aqueous solutions will produce a precipitate when mixed?
• How would you prepare 1.0 L of a o.500 M solution of potassium chloride?
• A doctor's order is 0.125g of ampicillin. The liquid suspension on hand contains 250 mg/5.0 mL. How many milliliters of the suspension are required?
• One thousand grams of seawater would consist of how many grams of dissolved substances?
• Question #1c559
• What mass of solution containing 6.50% sodium sulfate, by mass contains 1.50 g sodium sulfate?
• Question #242b5
• How would you identify the solute and solvent in this solution:. table sugar (#C_12H_22O_11#) in water?
• What is the correct way to show sodium chloride in aqueous solution?
• How many moles of #ZnCl# are in 100 mL of 0.300 M solution?
• How many mL of a .10 M #NaOH# solution are needed to neutralize 15 mL of .20 M #H_3PO_4# solution?
• How many grams of NaOH are needed to prepare 800 mL Of 0.8 M solution (Mw NaOH = 40.00 g / mole) ?
• What mass of #Mg(OH)_2# is produced when 100 mL of 0.42 M #Mg(NO_3)_2# is added to excess #NaOH# solution?
• What is the volume in milliliters of a 5.01 M silver nitrate solution that contains 275. mmol of silver nitrate?
• A solution contains 180 g of glucose and 162 g of water. What is the mole fraction of glucose?
• What volume of a 2.5 M stock solution of acetic acid is required to prepare 100.0 milliliters of a .50 M acetic acid solution?
• If #[H_3O^+]=7.5xx10^-3*mol*L^-1#, what is #pH#?
• What relationship exists between concentration of solution and its density? How would you explain such relationship?
• Given the following, is there more water in the juice or more juice in the water?
• What is the molarity of a solution formed by mixing 10.0 g of #H_2SO_4# with enough water to make 0.100 L of solution?
• What is a solution that causes water to move out of a cell?
• How would you make 1 liter of a solution of 1.0 NaCl?
• Why does NaCl dissolve in water?
• What are soluble inorganic compounds whose solutions will conduct an electric current.?
• How can a solution of potassium phosphate be distinguished chemically from a potassium sulfate solution?
• Why must the silver nitrate test for chloride ions be done in an acidified solution?
• How many milliliters of 11.5 M HCl(aq) are needed to prepare 305.0 mL of 1.00 M HCl(aq)?
• How would you calculate the surface tension of a 2% (w/v) solution of a wetting agent that has a density of 1.008 g/mL and that rises 6.6 cm in a capillary tube having an inside radius of 0.2 mm?
• What is a solution that has more positive hydrogen ions than negative hydroxide ions?
• What is a solution considered when it has an equal number of hydrogen and hydroxide ions?
• Can you describe the differences between solutions, suspensions, and emulsions?
• A nurse wants to add water to 30 ounces of a 10% solution of benzalkonium chloride to dilute it to an 8% solution. How much water must she add?
• What happens when table salt (NaCl) is added to water?
• The mass of the ocean is about #1.8 x 10^21 kg#. If the ocean contains 1.076% by mass sodium ions, #Na^+#, what is the mass in kilograms of #Na^+# in the ocean?
• How much water must be evaporated from 60 kilograms of a 15 salt solution in order to obtain a 40% solution?
• Inside of a cell suppose there is 2% salt and 98% water. The cell is in a solution containing 1% salt and 99% water. Is the cell hypotonic, hypertonic or isotonic compared to its surroundings?
• What is the relationship among solutions, solutes, and solvents?
• What is a compound that produces hydrogen ions in a solution?
• Question #28e83
• What scale indicates the relative concentrations of hydrogen and hydroxide ions in a solution?
• What is the pH of an aqueous solution if the [#H^+#]=0.000001?
• What is a compound that produces hydrogen ions in solution?
• If the concentration of solute molecules outside a cell is lower than the concentration in the cytosol, is the external solution hypotonic, hypertonic, or isotonic to the cytosol?
• Are there solutes that are insoluble in water?
• How do I prepare a solution that is #"2.0 g/L"# of #"NaCl"# in water if I have #"2.000 g"# of #"NaCl"#?
• Question #da85c
• Find the percent #"P"_2"O"_5# by mass in the fertilizer?
• Question #bb39f
• Can anyone please define what are Polar and Non polar solvents?
• In a certain acidic solution at 25 degrees Celsius, [H+] is 100 times greater than [OH-]. What is the value for [OH-] for the solution ?
• What is a solution with a high concentration of hydrogen ions?
• If you used 59.2mL of a 10% bleaching solution how much non-diluted bleach did you use?
• What are the key features of a water solution?
• If #[HO^-]=6.0xx10^-10*mol*L^-1#, what is #pH# for this solution?
• What is the relationship between water temperature and dissolved oxygen in the water?
• How much lead can be extracted from 254.3 g of lead (IV) oxide?
• How many grams of #NaNO_3# will dissolve in 50 mL of water at 10°C?
• How many grams of #H_3PO_4# are in 521 mL of a 9.30 M solution of #H_3PO_4#?
• If 200 mL of a 2.50 M #NaOH# solution is diluted to 500 mL, what is the new concentration of NaOH?
• A vat contains 100 gallons of a 50% brine solution. What is the greatest amount of water that can be added if the salt content cannot drop below 25%?
• What is the purpose of adding Zn or Al in a blue Copper (#CuSO_4#) solution?
• Drag the solute into the box that labels which solvent it will dissolve more easily within?
• For the water solvent, how does #pK_w# evolve at HIGHER temperatures...? At #298*K#, #K_w=10^-14#...
• How many milliliters of 11.5 M HCl are needed to prepare 830.0 mL of 1.00 M HCI?
• What would you predict the appearance of an egg to be after the following procedure is performed?
• A solution contains 28% phosphoric acid by mass. What is meant by that statement?
• In a hypotonic solution, what way does water move?
• A saturated solution of lead(ll) nitrate was made at 50°C using 100 g of water, and this was then allowed to cool to 30 °C. What would happen as the solution cooled?
• How many moles of KCI are present in 189 mL of a 0.745 M solution?
• Question #f43b7
• Is a solution with a pH of 10 more basic than a solution with pH 8? Why so?
• Question #85d3e
• Question #25959
• What volume of a 0.40 M #Mg(NO_3)_2# solution contains 95 g of #Mg(NO_3)_2#?
• What is an #"homogeneous solution"#?
• What does it mean if a solution is concentrated?
• What is the part of a solution that is present in the larger amount?
• What are the three types of solution?
• A vinegar solution has a #[OH^-] = 4.2*10^-10# #M# at 25°C. What is the #[H_3O^+]# of the vinegar solution?
• In a saltwater solution, what is salt?
• Is the ionic strength of a solution simply the sum of the concentrations of the reactant and product ions?
• What is the difference between ideal and nonideal binary solutions? What are examples?
• Question #7e44d
• Which of these designates a gas at room temperature?
• You have a drug that has a concentration of #0.50*g*cm^-3#. What volume of solution is delivered for a #2*g# dose?
• What does the pH of a solution indicate? As the hydronium ion concentration of a solution increases, does the pH of the solution increase or decrease?
• What chemicals are used in aerated drinks?
• How do you calculate [#NO_3^(-)#] if 120 mL of 0.40 M #KNO_3# is mixed with 400 mL of 1.2 M #Pb(NO_3)_2#?
• What is the substance that is dissolved in a solution?
• What is the color of #Cu^(2+)# in solution? What is the color of glucose in solution? What the color and formula are of copper (l) oxide?
• Question #c898b
• You are preparing to administer a liquid suspension. What must you do first?
• When the solvent is a solid and the solute is a gas, what will the state of the solution be?
• Question #7ed13
• What is a standard solution?
• What is diffusion?
• How would you determine the amount of dissolved salts in water?
• Is air an example of a gaseous solution?
• Does a hypertonic solution have more solute or more volume of water than a hypotonic solution?
• What is the rate of effusion of #N_2(g)# in relation to that of #Cl_2(g)# under the same conditions?
• A sample cerium-141 for a diagnostic test was dissolved in saline solution to an activity of 4.5 millicuries/mL. If the patient undergoing the test needs dose of 10. millicuries, how much of the solution a should be injected into the patient?
• Why does the green precipitate obtained from an iron (II) salt slowly turn brown when in contact with air?
• How many moles are in sodium chloride in 150 mL of a 2 mM NaCl solution?
• Question #444c2
• Question #16720
• Question #036ed
• A solution is prepared from #25*g# of salt dissolved in #1*L# of water. If the salt is an hydrate of sodium thiosulfate, how many water molecules are associated with this salt?
• Question #9d10b
• What process makes seawater usable by removing the salt?
• A solution is another name for what?
• If a crystal added to an aqueous solution causes many particles to come out of solution, what can be said about the original solution?
• In an aqueous solution, once all of the ions have attached themselves to the oppositely charged ends of the molecules of water, what is the the compound considered to be?
• Can a salt solution conduct an electric current?
• Can a sugar solution conduct electric current?
• What is a neutral solution?
• What color is bromcresol green after it is added to a sample of #NaOH(aq)#?
• What is a solution that has only a small amount of acid called?
• How many hydroxide ions are needed to completely neutralize 1.0 liter of 0.50 M HCI?
• What is an example of solvation that involves dispersion forces?
• What volume of 0.475 M hydrochloric acid solution reacts with 36.4 mL of 0.350 M sodium hydroxide solution?
• Why do ideal solutions behave differently from non-ideal solutions?
• What happens when the temperature of a solution increases?
• What happens when the temperature of a solution increases?
• How is presence of electrolytes tested in solution?
• Is a substance that is present in a solution in a smaller amount and is dissolved by the solvent called the solute?
• What are some examples of non-ionizing solutions in water?
• What volume of a 0.0320 M #KCN# solution contains #8.50x10^-3# mol of #KCN#?
• How can crystals of zinc sulphate be formed from a dilute solution of zinc sulphate?
• If #"0.64 g"# of napthalene (#M = "128.1705 g/mol"#) is dissolved in #"100 g"# a certain solvent (#T_f^"*" = 6^@ "C"#), whose #K_f = 20^@ "C"cdot"kg/mol"#, what is the new freezing point of the solvent?
• What is ionic solution?
• One thousand grams of seawater would consist of how many grams of dissolved substances?
• Question #3ef7d
• Are all solutions mixtures? And are all mixtures solutions?
• Question #43e92
• How many moles of #Na^+# ions are present in 275.0 mL of 0.35 M #Na_3PO_4# solution?
• What are positive and negative deviation with respect to ideal binary mixtures?
• Question #77396
• Give real life examples of homogeneous and heterogeneous solutions?
• After a student makes a solution, its temperature rises. What term describes this process?
• What does a hypotonic solution contain?
• Question #c152f
• Question #b0d02
• How do you calculate the number of grams of solute in 250.0 mL of 0.179 M KOH?
• What mass of silver chloride can be produced from 1.09 L of a 0.118 M solution of silver nitrate?
• How many milliliters of 0.45M HCI will neutralize 25.0 mL of 1.00M KOH?
• What mass of #Ca(OH)_2# is contained in 1500 mL of 0.0250M #Ca(OH)_2# solution?
• Are hydronium ions contributed to a solution by an acid or a base?
• Question #67163
• 105 g water is saturated with ammonia gas to form a solution of density 1.0g / mL and containing 30g ammonia, by mass. What is the volume of solution formed?
• Question #7c8b9
• Can salinity be negative?
• Can someone help me please? I answered one of them but I would like someone to check it as well. For the other two, I honestly not sure how to do it. Thanks!
• How does the concentration of a solute change when more solvent is added?
• What is the freezing point of a solution containing 6.5 % KCl by mass (in water).?
• A sample of seawater contains 0.000245 g of sodium chloride per mL of solution. How much sodium chloride is contained in 50.0 mL of this solution?
• If #2.0# #mu"L"# of a sample must be diluted by a factor of #50#, what volume of solvent should be added to accomplish this?
• If 100.0 mL of 0.426 M NaOH solution is diluted to 500.0 mL, what is the concentration of the diluted solution?
• Question #5f5fb
• The most commonly used skin antiseptic, rubbing alcohol, is how many percent alcohol?
• Question #62404
• You add 55 grams of #KClO_3# to 60 grams of water that is at 90°C. How much water must you add to perfectly dissolve all of the #KClO_3#?
• How many grams of #CuSO_4# are present in 652 mL of .250 M #CuSO_4# solution?
• Find the mass of urea, #"CO"("NH"_2)_2#, needed to prepare #"49.0 g"# of a solution in water in which the mole fraction of urea is #7.58 * 10^(−2)#?
• In a solution consisting of 22% N2, 25% Ar, and the rest O2, which gas is the solvent? Type the name of the gas?
• In a solution consisting of 82% N2, 15% Ar, and the rest O2, which gas is the solvent? Type the name of the gas?