Question 1

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°CF) A) and D)
G) A) and B)

Question 2

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)  Rb2SO4F) C) and E)
G) A) and C)

Question 3

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 mLF) C) and D)
G) B) and D)

Question 4

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

Question 5

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

Question 6

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 mF) A) and E)
G) B) and D)

Question 7

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.F) A) and D)
G) None of the above

Question 8

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 LF) A) and E)
G) C) and D)

Question 9

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)  Ag2SO4F) A) and B)
G) B) and E)

Question 10

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 mLF) B) and C)
G) A) and C)

Question 11

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

Question 12

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 MF) C) and D)
G) B) and C)

Question 13

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°CF) A) and B)
G) B) and D)

Question 14

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

Accepted Answer

A)  salute
B)  gas
C)  solvent
D)  solid
E)  soluteF) B) and D)
G) A) and E)

Question 15

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

Question 16

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 MF) B) and E)
G) A) and D)

Question 17

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)   F) A) and D)
G) A) and B)

Question 18

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 NaClF) A) and D)
G) B) and C)

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

Question 20

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°CF) D) and E)
G) B) and D)

Exam 9: Physical Properties of Solutions

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

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

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Which accurately characterizes all nonelectrolyte solutions?

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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.

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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)

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

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

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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)

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

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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)

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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.

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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?

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

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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.

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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?

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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?

Correct AnswerverifiedShow Answer

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

Correct AnswerverifiedShow Answer

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

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

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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.

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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.

Correct Answer
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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)

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

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

Correct Answer
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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)

Correct Answer
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Correct Answer
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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)

Correct Answer
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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.

Correct Answer
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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?

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

Correct Answer
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Correct Answer
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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?

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

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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.

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