Question 1

Copper(II) bromide is used as a wood preservative.What mass of CuBr2 is needed to prepare 750.0 mL of a 1.25 M solution?

Accepted Answer

A) 134 g 
B) 209 g 
C) 372 g 
D) 750 g 
E) 938 g 
A) 134 g 
B) 209 g 
C) 372 g 
D) 750 g 
E) 938 g

Question 2

How many sodium ions are present in 325 mL of 0.850 M Na2SO4?

Accepted Answer

A) 5.12 × 1023 Na ions 
B) 8.32 × 1022 Na ions 
C) 1.02 × 1024 Na ions 
D) 1.66 × 1023 Na ions 
E) 3.33 × 1023 Na ions 
A) 5.12 × 1023 Na ions 
B) 8.32 × 1022 Na ions 
C) 1.02 × 1024 Na ions 
D) 1.66 × 1023 Na ions 
E) 3.33 × 1023 Na ions

Question 3

Which of these compounds is a nonelectrolyte?

Accepted Answer

A) NaOH 
B) HNO3 
C) C2H6O (ethanol) 
D) KF 
E) CH3COOH (acetic acid) 
A) NaOH 
B) HNO3 
C) C2H6O (ethanol) 
D) KF 
E) CH3COOH (acetic acid)

Question 4

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

Accepted Answer

A) NaCl 
B) MgBr2 
C) FeCl2 
D) AgBr 
E) ZnCl2 
A) NaCl 
B) MgBr2 
C) FeCl2 
D) AgBr 
E) ZnCl2

Question 5

From the following list of aqueous solutions and water, select the one with the highest freezing point.

Accepted Answer

A) 1.0 M KNO3 
B) 0.75 M NaCl 
C) 0.75 M CuCl2 
D) 2.0 M C12H22O11 (sucrose) 
E) 2.0 M KNO3 
A) 1.0 M KNO3 
B) 0.75 M NaCl 
C) 0.75 M CuCl2 
D) 2.0 M C12H22O11 (sucrose) 
E) 2.0 M KNO3

Question 6

Which of the following is soluble in water?

Accepted Answer

A) AgCl 
B) Rb2CrO4 
C) Hg2I2 
D) CaSO4 
E) PbBr2 
A) AgCl 
B) Rb2CrO4 
C) Hg2I2 
D) CaSO4 
E) PbBr2

Question 7

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

Accepted Answer

A) AgBr 
B) AgCl 
C) Ag2CO3 
D) AgNO3 
E) Ag2S 
A) AgBr 
B) AgCl 
C) Ag2CO3 
D) AgNO3 
E) Ag2S

Question 8

Determine the molality of ions in 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) 0.114 m 
B) 0.280 m 
C) 0.184 m 
D) 0.402 m 
E) 0.140 m 
A) 0.114 m 
B) 0.280 m 
C) 0.184 m 
D) 0.402 m 
E) 0.140 m

Question 9

Place the following aqueous solutions in order of increasing osmotic pressure. 0.100 m Al(NO3)3 0.100 m LiF 0.100 m Ca(C2H3O2)2

Accepted Answer

A) 0.100 m Al(NO3)3 2H3O2)2 2H3O2)2 3)3 2H3O2)2 3)3 
D) 0.100 m Al(NO3)3 2H3O2)2 
E) 0.100 m LiF 2H3O2)2 3)3 
A) 0.100 m Al(NO3)3 2H3O2)2 2H3O2)2 3)3 2H3O2)2 3)3 
D) 0.100 m Al(NO3)3 2H3O2)2 
E) 0.100 m LiF 2H3O2)2 3)3

Question 10

Determine the molarity of a solution made by dissolving 11.7 g of Ca(NO3)2 in water where the final volume of the solution is 250.0 mL.

Accepted Answer

A) 0.0713M 
B) 0.351M 
C) 0.285M 
D) 0.0214M 
E) 0.0468M 
A) 0.0713M 
B) 0.351M 
C) 0.285M 
D) 0.0214M 
E) 0.0468M

Question 11

Which is defined as the maximum amount of solute that will dissolve in a given quantity of solvent at a specific temperature?

Accepted Answer

A) precipitation 
B) combustion 
C) solubility 
D) super saturation 
E) dilution 
A) precipitation 
B) combustion 
C) solubility 
D) super saturation 
E) dilution

Question 12

The distinguishing characteristic of all nonelectrolyte solutions is that they

Accepted Answer

A) contain ions. 
B) do not conduct electricity. 
C) react with other solutions. 
D) always contain acids. 
E) conducts heat. 
A) contain ions. 
B) do not conduct electricity. 
C) react with other solutions. 
D) always contain acids. 
E) conducts heat.

Question 13

What is the freezing point of an aqueous solution of NaCl that boils at 102.5°C? (For water, Kf = 1.86°C/m; Kb = 0.52°C/m)

Accepted Answer

A) 2.5°C 
B) −2.5°C 
C) −0.70°C 
D) 0.70°C 
E) −8.9°C 
A) 2.5°C 
B) −2.5°C 
C) −0.70°C 
D) 0.70°C 
E) −8.9°C

Question 14

Determine the freezing point of a solution formed by dissolving 0.187 moles of glucose in 456 grams of water.(For water, Kf = 1.86°C/m)

Accepted Answer

A) −0.410°C 
B) −0.351°C 
C) −3.48°C 
D) -0.763°C 
E) -0.528°C 
A) −0.410°C 
B) −0.351°C 
C) −3.48°C 
D) -0.763°C 
E) -0.528°C

Question 15

Which process defines how an ionic compounds break apart into its constituent ions upon dissolution?

Accepted Answer

A) electrolysis 
B) dissociation 
C) division 
D) ionization 
E) decomposition 
A) electrolysis 
B) dissociation 
C) division 
D) ionization 
E) decomposition

Question 16

Determine the volume of a 0.0351 M Li3PO4 solution that contains 0.0164 moles of Li3PO4.

Accepted Answer

A) 467 Ml 
B) 214 mL 
C) 576 mL 
D) 174 mL 
E) 345 mL 
A) 467 Ml 
B) 214 mL 
C) 576 mL 
D) 174 mL 
E) 345 mL

Question 17

Determine the molality of ions in a solution formed by dissolving 0.187 moles of NaCl in 456 grams of water.The density of the solution is 1.44 g/mL.

Accepted Answer

A) 0.820 m 
B) 0.702 m 
C) 0.351 m 
D) 0.410 m 
E) 0.285 m 
A) 0.820 m 
B) 0.702 m 
C) 0.351 m 
D) 0.410 m 
E) 0.285 m

Question 18

35.0 mL of 0.255 M nitric acid is added to 45.0 mL of 0.328 M Mg(NO3)2.What is the concentration of nitrate ion in the final solution?

Accepted Answer

A) 0.296 M 
B) 0.481 M 
C) 0.583 M 
D) 0.911 M 
E) 0.148 M 
A) 0.296 M 
B) 0.481 M 
C) 0.583 M 
D) 0.911 M 
E) 0.148 M

Question 19

What mass of LiOH is required to prepare 0.250 L of a 3.55 M solution?

Accepted Answer

A) 0.0371 g 
B) 0.888 g 
C) 21.3 g 
D) 250.g 
E) 340.g 
A) 0.0371 g 
B) 0.888 g 
C) 21.3 g 
D) 250.g 
E) 340.g

Question 20

Determine the molality of a solution formed by dissolving 0.187 moles of NaCl in 456 grams of water.The density of the solution is 1.44 g/mL.

Accepted Answer

A) 0.285 m 
B) 0.410 m 
C) 0.351 m 
D) 0.244 m 
E) 0.502 m 
A) 0.285 m 
B) 0.410 m 
C) 0.351 m 
D) 0.244 m 
E) 0.502 m

Copper(II) bromide is used as a wood preservative.What mass of CuBr₂ is needed to prepare 750.0 mL of a 1.25 M solution?

How many sodium ions are present in 325 mL of 0.850 M Na₂SO₄?

Which of these compounds is a nonelectrolyte?

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

From the following list of aqueous solutions and water, select the one with the highest freezing point.

Which of the following is soluble in water?

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

Determine the molality of ions in 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.

Place the following aqueous solutions in order of increasing osmotic pressure. 0.100 m Al(NO₃)₃ 0.100 m LiF 0.100 m Ca(C₂H₃O₂)₂

Determine the molarity of a solution made by dissolving 11.7 g of Ca(NO₃)₂ in water where the final volume of the solution is 250.0 mL.

Which is defined as the maximum amount of solute that will dissolve in a given quantity of solvent at a specific temperature?

The distinguishing characteristic of all nonelectrolyte solutions is that they

What is the freezing point of an aqueous solution of NaCl that boils at 102.5°C? (For water, K_f = 1.86°C/m; K_b = 0.52°C/m)

Determine the freezing point of a solution formed by dissolving 0.187 moles of glucose in 456 grams of water.(For water, K_f = 1.86°C/m)

Which process defines how an ionic compounds break apart into its constituent ions upon dissolution?

Determine the volume of a 0.0351 M Li₃PO₄ solution that contains 0.0164 moles of Li₃PO₄.

Determine the molality of ions in a solution formed by dissolving 0.187 moles of NaCl in 456 grams of water.The density of the solution is 1.44 g/mL.

35.0 mL of 0.255 M nitric acid is added to 45.0 mL of 0.328 M Mg(NO₃)₂.What is the concentration of nitrate ion in the final solution?

What mass of LiOH is required to prepare 0.250 L of a 3.55 M solution?

Determine the molality of a solution formed by dissolving 0.187 moles of NaCl in 456 grams of water.The density of the solution is 1.44 g/mL.

Atoms and Elements

Electrons and the Periodic Table

Compounds and Chemical Bonds

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Molecular Shape

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Acids and Bases

Equilibrium

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Exam 9: Physical Properties of Solutions

Copper(II) bromide is used as a wood preservative.What mass of CuBr2 is needed to prepare 750.0 mL of a 1.25 M solution?

How many sodium ions are present in 325 mL of 0.850 M Na2SO4?

Which of these compounds is a nonelectrolyte?

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

From the following list of aqueous solutions and water, select the one with the highest freezing point.

Which of the following is soluble in water?

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

Determine the molality of ions in 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.

Place the following aqueous solutions in order of increasing osmotic pressure. 0.100 m Al(NO3)3 0.100 m LiF 0.100 m Ca(C2H3O2)2

Determine the molarity of a solution made by dissolving 11.7 g of Ca(NO3)2 in water where the final volume of the solution is 250.0 mL.

Which is defined as the maximum amount of solute that will dissolve in a given quantity of solvent at a specific temperature?

The distinguishing characteristic of all nonelectrolyte solutions is that they

What is the freezing point of an aqueous solution of NaCl that boils at 102.5°C? (For water, Kf = 1.86°C/m; Kb = 0.52°C/m)

Determine the freezing point of a solution formed by dissolving 0.187 moles of glucose in 456 grams of water.(For water, Kf = 1.86°C/m)

Which process defines how an ionic compounds break apart into its constituent ions upon dissolution?

Determine the volume of a 0.0351 M Li3PO4 solution that contains 0.0164 moles of Li3PO4.

Determine the molality of ions in a solution formed by dissolving 0.187 moles of NaCl in 456 grams of water.The density of the solution is 1.44 g/mL.

35.0 mL of 0.255 M nitric acid is added to 45.0 mL of 0.328 M Mg(NO3)2.What is the concentration of nitrate ion in the final solution?

What mass of LiOH is required to prepare 0.250 L of a 3.55 M solution?

Determine the molality of a solution formed by dissolving 0.187 moles of NaCl in 456 grams of water.The density of the solution is 1.44 g/mL.

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

Copper(II) bromide is used as a wood preservative.What mass of CuBr₂ is needed to prepare 750.0 mL of a 1.25 M solution?

How many sodium ions are present in 325 mL of 0.850 M Na₂SO₄?

Determine the molality of ions in 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.

Place the following aqueous solutions in order of increasing osmotic pressure. 0.100 m Al(NO₃)₃ 0.100 m LiF 0.100 m Ca(C₂H₃O₂)₂

Determine the molarity of a solution made by dissolving 11.7 g of Ca(NO₃)₂ in water where the final volume of the solution is 250.0 mL.

What is the freezing point of an aqueous solution of NaCl that boils at 102.5°C? (For water, K_f = 1.86°C/m; K_b = 0.52°C/m)

Determine the freezing point of a solution formed by dissolving 0.187 moles of glucose in 456 grams of water.(For water, K_f = 1.86°C/m)

Determine the volume of a 0.0351 M Li₃PO₄ solution that contains 0.0164 moles of Li₃PO₄.

35.0 mL of 0.255 M nitric acid is added to 45.0 mL of 0.328 M Mg(NO₃)₂.What is the concentration of nitrate ion in the final solution?