Question 1

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)  decompositionF) A) and D)
G) A) and C)

Question 2

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°CF) None of the above
G) B) and C)

Question 3

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)  ZnCl2F) A) and E)
G) D) and E)

Question 4

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)  Ag2SF) A) and B)
G) A) and E)

Question 5

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.gF) D) and E)
G) C) and D)

Question 6

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 KNO3F) B) and D)
G) C) and D)

Question 7

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 MF) A) and E)
G) C) and D)

Question 8

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.F) C) and E)
G) A) and D)

Question 9

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 mF) A) and B)
G) A) and C)

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)  0.0468MF) D) and E)
G) B) and C)

Question 11

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°CF) C) and E)
G) D) and E)

Question 12

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 ionsF) A) and B)
G) A) and C)

Question 13

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 mLF) A) and B)
G) A) and E)

Question 14

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 mF) A) and B)
G) C) and E)

Question 15

Which of these compounds is a nonelectrolyte?

Accepted Answer

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

Question 16

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)  dilutionF) B) and E)
G) B) and D)

Question 17

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 gF) A) and E)
G) None of the above

Question 18

Which of the following is soluble in water?

Accepted Answer

A)  AgCl
B)  Rb2CrO4
C)  Hg2I2
D)  CaSO4
E)  PbBr2F) A) and E)
G) A) and D)

Question 19

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 mF) All of the above
G) B) and D)

Question 20

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 
B)  0.100 m Ca(C2H3O2) 2 3) 3 
C)  0.100 m Ca(C2H3O2) 2 3) 3
D)  0.100 m Al(NO3) 3 2H3O2) 2
E)  0.100 m LiF 2H3O2) 2 3) 3F) A) and E)
G) C) and D)

Exam 9: Physical Properties of Solutions

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

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

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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)

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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)

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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?

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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

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

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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.

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

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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.

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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.

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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?

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Which of these compounds is a nonelectrolyte?

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

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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.

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Which of the following is soluble in water?

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

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

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

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The distinguishing characteristic of all nonelectrolyte solutions is that they

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Correct Answer
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Correct Answer
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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)

Correct Answer
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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)

Correct Answer
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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?

Correct Answer
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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

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

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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.

Correct Answer
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Correct Answer
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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?

Correct Answer
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Correct Answer
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Correct Answer
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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.

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

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