Question 1

Determine the molality of a solution formed by dissolving 0.0257 moles of Li3PO4 in 735 grams of water.The density of the solution is 1.74 g/mL.

Accepted Answer

A) 0.0189 m 
B) 0.0498 m 
C) 0.0201 m 
D) 0.0350 m 
E) 0.0286 m 
A) 0.0189 m 
B) 0.0498 m 
C) 0.0201 m 
D) 0.0350 m 
E) 0.0286 m

Question 2

Determine the volume of a 0.175 M Al(NO3)3 solution that contains 0.0591 moles of Al(NO3)3.

Accepted Answer

A) 296 mL 
B) 103 mL 
C) 967 mL 
D) 338 mL 
E) 452 mL 
A) 296 mL 
B) 103 mL 
C) 967 mL 
D) 338 mL 
E) 452 mL

Question 3

Based on the solubility rules, which one of these compounds is insoluble in water?

Accepted Answer

A) Na2SO4 
B) BaSO4 
C) CuSO4 
D) MgSO4 
E) Rb2SO4 
A) Na2SO4 
B) BaSO4 
C) CuSO4 
D) MgSO4 
E) Rb2SO4

Question 4

Determine the boiling point of a solution formed by dissolving 0.593 moles of ethanol in 100.0 grams of water.(For water, Kb = 0.512°C/m)

Accepted Answer

A) 100.329°C 
B) 101.58°C 
C) 103.04°C 
D) 105.93°C 
E) 102.91°C 
A) 100.329°C 
B) 101.58°C 
C) 103.04°C 
D) 105.93°C 
E) 102.91°C

Question 5

Which substance is present in the largest proportion in a solution?

Accepted Answer

A) salute 
B) gas 
C) solvent 
D) solid 
E) solute 
A) salute 
B) gas 
C) solvent 
D) solid 
E) solute

Question 6

Place the following aqueous solutions in order of increasing osmotic pressure. 0.100 m MgCl2 0.100 m CH3OH 0.100 m NaCl

Accepted Answer

A) 0.100 m CH3OH 2 
B) 0.100 m MgCl2 3OH 
C) 0.100 m NaCl 2 3OH 
D) 0.100 m NaCl 3OH 2 
E) 0.100 m MgCl2 3OH < 0.100 m NaCl 
A) 0.100 m CH3OH 2 
B) 0.100 m MgCl2 3OH 
C) 0.100 m NaCl 2 3OH 
D) 0.100 m NaCl 3OH 2 
E) 0.100 m MgCl2 3OH < 0.100 m NaCl

Question 7

What is the molarity of a solution prepared by diluting 1.85 L of 6.5 M KOH to 11.0 L?

Accepted Answer

A) 0.28 M 
B) 0.91 M 
C) 1.1 M 
D) 3.1 M 
E) 3.9 M 
A) 0.28 M 
B) 0.91 M 
C) 1.1 M 
D) 3.1 M 
E) 3.9 M

Question 8

Which accurately characterizes all nonelectrolyte solutions?

Accepted Answer

A) Nonelectrolyte solutions contain molecules. 
B) Nonelectrolyte solutions conduct electricity. 
C) Nonelectrolyte solutions react with other solutions. 
D) Nonelectrolyte solutions do not conduct electricity. 
E) Nonelectrolyte solutions conduct heat. 
A) Nonelectrolyte solutions contain molecules. 
B) Nonelectrolyte solutions conduct electricity. 
C) Nonelectrolyte solutions react with other solutions. 
D) Nonelectrolyte solutions do not conduct electricity. 
E) Nonelectrolyte solutions conduct heat.

Question 9

Determine the boiling point of a solution formed by dissolving 0.187 moles of glucose in 456 grams of water.(For water, Kb = 0.512°C/m)

Accepted Answer

A) 100.957°C 
B) 101.25°C 
C) 100.210°C 
D) 100.476°C 
E) 100.365°C 
A) 100.957°C 
B) 101.25°C 
C) 100.210°C 
D) 100.476°C 
E) 100.365°C

Question 10

Based on the solubility rules, which one of these compounds is soluble in water?

Accepted Answer

A) CaSO4 
B) BaSO4 
C) PbSO4 
D) K2SO4 
E) Ag2SO4 
A) CaSO4 
B) BaSO4 
C) PbSO4 
D) K2SO4 
E) Ag2SO4

Question 11

Determine the molarity of a solution made by dissolving 9.51 g of K2SO4 in water where the final volume of the solution is 750.0 mL.

Accepted Answer

A) 0.789 M 
B) 0.0546 M 
C) 0.0127 M 
D) 0.0728 M 
E) 0.137 M 
A) 0.789 M 
B) 0.0546 M 
C) 0.0127 M 
D) 0.0728 M 
E) 0.137 M

Question 12

Determine the freezing point of a solution which contains 0.31 mol of sucrose in 175 g of water.(For water, Kf = 1.86°C/m)

Accepted Answer

A) 3.3°C 
B) 1.1°C 
C) 0.0°C 
D) −1.1°C 
E) −3.3°C 
A) 3.3°C 
B) 1.1°C 
C) 0.0°C 
D) −1.1°C 
E) −3.3°C

Question 13

Determine the molarity of a solution made by dissolving 11.7 g of NaNO3 in water where the final volume of the solution is 250.0 mL.

Accepted Answer

A) 0.138 M 
B) 0.551 M 
C) 0.0468 M 
D) 0.0311 M 
E) 0.214 M 
A) 0.138 M 
B) 0.551 M 
C) 0.0468 M 
D) 0.0311 M 
E) 0.214 M

Question 14

Determine the volume of a 0.0246 M Li3PO4 solution that contains 11.8 grams of Li3PO4.

Accepted Answer

A) 2.41 L 
B) 4.80 L 
C) 4.14 L 
D) 2.08 L 
E) 3.19 L 
A) 2.41 L 
B) 4.80 L 
C) 4.14 L 
D) 2.08 L 
E) 3.19 L

Question 15

In the following diagrams, the black circles represent a solute in solution.Which diagram represents a saturated solution?

Accepted Answer

A)    
B)    
C)    
D)    
E)    
A)    
B)    
C)    
D)    
E)

Question 16

Determine the volume of a 0.119 M AlPO4 solution that contains 0.0247 moles of AlPO4.

Accepted Answer

A) 340 mL 
B) 208 mL 
C) 482 mL 
D) 294 mL 
E) 132 mL 
A) 340 mL 
B) 208 mL 
C) 482 mL 
D) 294 mL 
E) 132 mL

Question 17

Potassium fluoride is used for frosting glass.Calculate the molarity of a solution prepared by dissolving 78.6 g of KF in enough water to produce 225 mL of solution.

Accepted Answer

A) 0.304 M 
B) 0.349 M 
C) 1.35 M 
D) 3.29 M 
E) 6.01 M 
A) 0.304 M 
B) 0.349 M 
C) 1.35 M 
D) 3.29 M 
E) 6.01 M

Question 18

A 3.682-g sample of KClO3 is dissolved in enough water to give 375.mL of solution.What is the chlorate ion concentration in this solution?

Accepted Answer

A) 9.82 M 
B) 1.60 × 10−1 M 
C) 8.01 ×10−2 M 
D) 9.82 × 10−3 M 
E) 1.60 × 10−2 M 
A) 9.82 M 
B) 1.60 × 10−1 M 
C) 8.01 ×10−2 M 
D) 9.82 × 10−3 M 
E) 1.60 × 10−2 M

Question 19

Calcium nitrite is used as a corrosion inhibitor in lubricants.What is the molality of a solution prepared by dissolving 18.5 g of calcium nitrite in 83.5 g of distilled water?

Accepted Answer

A) 0.181 m 
B) 0.222 m 
C) 0.596 m 
D) 1.35 m 
E) 1.68 m 
A) 0.181 m 
B) 0.222 m 
C) 0.596 m 
D) 1.35 m 
E) 1.68 m

Question 20

Cadmium bromide is used in photography and lithography.What is the molality of a solution prepared by dissolving 45.38 g of CdBr2 in 375.0 g of water?

Accepted Answer

A) 0.03035 m 
B) 0.01600 m 
C) 0.1210 m 
D) 0.4446 m 
E) 16.00 m 
A) 0.03035 m 
B) 0.01600 m 
C) 0.1210 m 
D) 0.4446 m 
E) 16.00 m

Determine the molality of a solution formed by dissolving 0.0257 moles of Li₃PO₄ in 735 grams of water.The density of the solution is 1.74 g/mL.

Determine the volume of a 0.175 M Al(NO₃)₃ solution that contains 0.0591 moles of Al(NO₃)₃.

Based on the solubility rules, which one of these compounds is insoluble in water?

Determine the boiling point of a solution formed by dissolving 0.593 moles of ethanol in 100.0 grams of water.(For water, K_b = 0.512°C/m)

Which substance is present in the largest proportion in a solution?

Place the following aqueous solutions in order of increasing osmotic pressure. 0.100 m MgCl₂ 0.100 m CH₃OH 0.100 m NaCl

What is the molarity of a solution prepared by diluting 1.85 L of 6.5 M KOH to 11.0 L?

Which accurately characterizes all nonelectrolyte solutions?

Determine the boiling point of a solution formed by dissolving 0.187 moles of glucose in 456 grams of water.(For water, K_b = 0.512°C/m)

Based on the solubility rules, which one of these compounds is soluble in water?

Determine the molarity of a solution made by dissolving 9.51 g of K₂SO₄ in water where the final volume of the solution is 750.0 mL.

Determine the freezing point of a solution which contains 0.31 mol of sucrose in 175 g of water.(For water, K_f = 1.86°C/m)

Determine the molarity of a solution made by dissolving 11.7 g of NaNO₃ in water where the final volume of the solution is 250.0 mL.

Determine the volume of a 0.0246 M Li₃PO₄ solution that contains 11.8 grams of Li₃PO₄.

In the following diagrams, the black circles represent a solute in solution.Which diagram represents a saturated solution?

Determine the volume of a 0.119 M AlPO₄ solution that contains 0.0247 moles of AlPO₄.

Potassium fluoride is used for frosting glass.Calculate the molarity of a solution prepared by dissolving 78.6 g of KF in enough water to produce 225 mL of solution.

A 3.682-g sample of KClO₃ is dissolved in enough water to give 375.mL of solution.What is the chlorate ion concentration in this solution?

Calcium nitrite is used as a corrosion inhibitor in lubricants.What is the molality of a solution prepared by dissolving 18.5 g of calcium nitrite in 83.5 g of distilled water?

Cadmium bromide is used in photography and lithography.What is the molality of a solution prepared by dissolving 45.38 g of CdBr₂ in 375.0 g of water?

Atoms and Elements

Electrons and the Periodic Table

Compounds and Chemical Bonds

How Chemists Use Numbers

The Mole and Chemical Formulas

Molecular Shape

Solids, Liquids, and Phase Changes

Gases

Chemical Reactions and Chemical Equations

Using Balanced Chemical Equations

Acids and Bases

Equilibrium

Organic Chemistry

Biochemistry

Nuclear Chemistry

Electrochemistry

Filters

Exam 9: Physical Properties of Solutions

Determine the molality of a solution formed by dissolving 0.0257 moles of Li3PO4 in 735 grams of water.The density of the solution is 1.74 g/mL.

Determine the volume of a 0.175 M Al(NO3)3 solution that contains 0.0591 moles of Al(NO3)3.

Based on the solubility rules, which one of these compounds is insoluble in water?

Determine the boiling point of a solution formed by dissolving 0.593 moles of ethanol in 100.0 grams of water.(For water, Kb = 0.512°C/m)

Which substance is present in the largest proportion in a solution?

Place the following aqueous solutions in order of increasing osmotic pressure. 0.100 m MgCl2 0.100 m CH3OH 0.100 m NaCl

What is the molarity of a solution prepared by diluting 1.85 L of 6.5 M KOH to 11.0 L?

Which accurately characterizes all nonelectrolyte solutions?

Determine the boiling point of a solution formed by dissolving 0.187 moles of glucose in 456 grams of water.(For water, Kb = 0.512°C/m)

Based on the solubility rules, which one of these compounds is soluble in water?

Determine the molarity of a solution made by dissolving 9.51 g of K2SO4 in water where the final volume of the solution is 750.0 mL.

Determine the freezing point of a solution which contains 0.31 mol of sucrose in 175 g of water.(For water, Kf = 1.86°C/m)

Determine the molarity of a solution made by dissolving 11.7 g of NaNO3 in water where the final volume of the solution is 250.0 mL.

Determine the volume of a 0.0246 M Li3PO4 solution that contains 11.8 grams of Li3PO4.

In the following diagrams, the black circles represent a solute in solution.Which diagram represents a saturated solution?

Determine the volume of a 0.119 M AlPO4 solution that contains 0.0247 moles of AlPO4.

Potassium fluoride is used for frosting glass.Calculate the molarity of a solution prepared by dissolving 78.6 g of KF in enough water to produce 225 mL of solution.

A 3.682-g sample of KClO3 is dissolved in enough water to give 375.mL of solution.What is the chlorate ion concentration in this solution?

Calcium nitrite is used as a corrosion inhibitor in lubricants.What is the molality of a solution prepared by dissolving 18.5 g of calcium nitrite in 83.5 g of distilled water?

Cadmium bromide is used in photography and lithography.What is the molality of a solution prepared by dissolving 45.38 g of CdBr2 in 375.0 g of water?

Atoms and Elements

Electrons and the Periodic Table

Compounds and Chemical Bonds

How Chemists Use Numbers

The Mole and Chemical Formulas

Molecular Shape

Solids, Liquids, and Phase Changes

Gases

Chemical Reactions and Chemical Equations

Using Balanced Chemical Equations

Acids and Bases

Equilibrium

Organic Chemistry

Biochemistry

Nuclear Chemistry

Electrochemistry

Filters

Determine the molality of a solution formed by dissolving 0.0257 moles of Li₃PO₄ in 735 grams of water.The density of the solution is 1.74 g/mL.

Determine the volume of a 0.175 M Al(NO₃)₃ solution that contains 0.0591 moles of Al(NO₃)₃.

Determine the boiling point of a solution formed by dissolving 0.593 moles of ethanol in 100.0 grams of water.(For water, K_b = 0.512°C/m)

Place the following aqueous solutions in order of increasing osmotic pressure. 0.100 m MgCl₂ 0.100 m CH₃OH 0.100 m NaCl

Determine the boiling point of a solution formed by dissolving 0.187 moles of glucose in 456 grams of water.(For water, K_b = 0.512°C/m)

Determine the molarity of a solution made by dissolving 9.51 g of K₂SO₄ in water where the final volume of the solution is 750.0 mL.

Determine the freezing point of a solution which contains 0.31 mol of sucrose in 175 g of water.(For water, K_f = 1.86°C/m)

Determine the molarity of a solution made by dissolving 11.7 g of NaNO₃ in water where the final volume of the solution is 250.0 mL.

Determine the volume of a 0.0246 M Li₃PO₄ solution that contains 11.8 grams of Li₃PO₄.

Determine the volume of a 0.119 M AlPO₄ solution that contains 0.0247 moles of AlPO₄.

A 3.682-g sample of KClO₃ is dissolved in enough water to give 375.mL of solution.What is the chlorate ion concentration in this solution?

Cadmium bromide is used in photography and lithography.What is the molality of a solution prepared by dissolving 45.38 g of CdBr₂ in 375.0 g of water?