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Exam 13: Properties of Solutions

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Exam 1: Introduction: Matter, energy, and Measurement163 Questionsadd course
Exam 2: Atoms, molecules, and Ions249 Questionsadd course
Exam 3: Chemical Reactions and Reaction Stoichiometry178 Questionsadd course
Exam 4: Reactions in Aqueous Solution178 Questionsadd course
Exam 5: Thermochemistry154 Questionsadd course
Exam 6: Electronic Structure of Atoms186 Questionsadd course
Exam 7: Periodic Properties of the Elements176 Questionsadd course
Exam 8: Basic Concepts of Chemical Bonding146 Questionsadd course
Exam 9: Molecular Geometry and Bonding Theories183 Questionsadd course
Exam 10: Gases175 Questionsadd course
Exam 11: Liquids and Intermolecular Forces124 Questionsadd course
Exam 12: Solids and Modern Materials84 Questionsadd course
Exam 13: Properties of Solutions160 Questionsadd course
Exam 14: Chemical Kinetics134 Questionsadd course
Exam 15: Chemical Equilibrium97 Questionsadd course
Exam 16: Acid-Base Equilibria139 Questionsadd course
Exam 17: Additional Aspects of Aqueous Equilibria116 Questionsadd course
Exam 18: Chemistry of the Environment126 Questionsadd course
Exam 19: Chemical Thermodynamics125 Questionsadd course
Exam 20: Electrochemistry113 Questionsadd course
Exam 21: Nuclear Chemistry178 Questionsadd course
Exam 22: Chemistry of the Nonmetals194 Questionsadd course
Exam 23: Transition Metals and Coordination Chemistry165 Questionsadd course
Exam 24: The Chemistry of Life: Organic and Biological Chemistry131 Questionsadd course
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After swimming in the ocean for several hours,swimmers noticed that their fingers appeared to be very wrinkled.This is an indication that seawater is supertonic relative to the fluid in cells.

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Question 21

Pressure has an appreciable effect on the solubility of ________ in liquids.

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Question 22

In a saturated solution of a salt in water,________.

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Question 23

Calculate the freezing point of a solution containing 20 grams of KCl and 2200.0 grams of water.The molal-freezing-point-depression constant ( Calculate the freezing point of a solution containing 20 grams of KCl and 2200.0 grams of water.The molal-freezing-point-depression constant ( )for water is (Assume 100% ionization of KCl.) )for water is Calculate the freezing point of a solution containing 20 grams of KCl and 2200.0 grams of water.The molal-freezing-point-depression constant ( )for water is (Assume 100% ionization of KCl.) (Assume 100% ionization of KCl.)

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Question 24

What is the molality of a 36.1% (by mass)aqueous solution of phosphoric acid?

(Multiple Choice)
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Question 25

The molarity of urea (MW = 60.0 g/mol)in a solution prepared by dissolving 11 g of urea in The molarity of urea (MW = 60.0 g/mol)in a solution prepared by dissolving 11 g of urea in of H<sub>2</sub>O is ________ M.Assume the volume of the solution does not change when dissolving the urea. of H2O is ________ M.Assume the volume of the solution does not change when dissolving the urea.

(Multiple Choice)
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Question 26

A 0.200 m solution of which one of the following solutes will have the lowest vapor pressure?

(Multiple Choice)
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Question 27

An aqueous solution of a soluble compound (a nonelectrolyte)is prepared by dissolving An aqueous solution of a soluble compound (a nonelectrolyte)is prepared by dissolving of the compound in sufficient water to form of solution.The solution has an osmotic pressure of 1.2 atm at What is the molar mass (g/mole)of the compound? of the compound in sufficient water to form An aqueous solution of a soluble compound (a nonelectrolyte)is prepared by dissolving of the compound in sufficient water to form of solution.The solution has an osmotic pressure of 1.2 atm at What is the molar mass (g/mole)of the compound? of solution.The solution has an osmotic pressure of 1.2 atm at An aqueous solution of a soluble compound (a nonelectrolyte)is prepared by dissolving of the compound in sufficient water to form of solution.The solution has an osmotic pressure of 1.2 atm at What is the molar mass (g/mole)of the compound? What is the molar mass (g/mole)of the compound?

(Multiple Choice)
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Question 28

Emulsifying agents typically have a hydrophobic end and a hydrophilic end.

(True/False)
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Question 29

The concentration of lead nitrate (Pb(N The concentration of lead nitrate (Pb(N )in a 0.926 M solution is ________ molal.The density of the solution is 1.202 g/mL. The concentration of lead nitrate (Pb(N )in a 0.926 M solution is ________ molal.The density of the solution is 1.202 g/mL. )in a 0.926 M solution is ________ molal.The density of the solution is 1.202 g/mL.

(Multiple Choice)
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Question 30

What is the molality of a 10.0% (by mass)aqueous solution of hydrochloric acid?

(Multiple Choice)
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Question 31

A solution is prepared by dissolving 2.00 g of glycerin ( A solution is prepared by dissolving 2.00 g of glycerin ( )in 201 g of ethanol The freezing point of the solution is ________°C.The freezing point of pure ethanol is at 1 atm.The molal-freezing-point-depression constant ( )for ethanol is The molar masses of glycerin and of ethanol are 92.1 g/mol and 46.1 g/mol,respectively. A solution is prepared by dissolving 2.00 g of glycerin ( )in 201 g of ethanol The freezing point of the solution is ________°C.The freezing point of pure ethanol is at 1 atm.The molal-freezing-point-depression constant ( )for ethanol is The molar masses of glycerin and of ethanol are 92.1 g/mol and 46.1 g/mol,respectively. A solution is prepared by dissolving 2.00 g of glycerin ( )in 201 g of ethanol The freezing point of the solution is ________°C.The freezing point of pure ethanol is at 1 atm.The molal-freezing-point-depression constant ( )for ethanol is The molar masses of glycerin and of ethanol are 92.1 g/mol and 46.1 g/mol,respectively. )in 201 g of ethanol A solution is prepared by dissolving 2.00 g of glycerin ( )in 201 g of ethanol The freezing point of the solution is ________°C.The freezing point of pure ethanol is at 1 atm.The molal-freezing-point-depression constant ( )for ethanol is The molar masses of glycerin and of ethanol are 92.1 g/mol and 46.1 g/mol,respectively. The freezing point of the solution is ________°C.The freezing point of pure ethanol is A solution is prepared by dissolving 2.00 g of glycerin ( )in 201 g of ethanol The freezing point of the solution is ________°C.The freezing point of pure ethanol is at 1 atm.The molal-freezing-point-depression constant ( )for ethanol is The molar masses of glycerin and of ethanol are 92.1 g/mol and 46.1 g/mol,respectively. at 1 atm.The molal-freezing-point-depression constant ( A solution is prepared by dissolving 2.00 g of glycerin ( )in 201 g of ethanol The freezing point of the solution is ________°C.The freezing point of pure ethanol is at 1 atm.The molal-freezing-point-depression constant ( )for ethanol is The molar masses of glycerin and of ethanol are 92.1 g/mol and 46.1 g/mol,respectively. )for ethanol is A solution is prepared by dissolving 2.00 g of glycerin ( )in 201 g of ethanol The freezing point of the solution is ________°C.The freezing point of pure ethanol is at 1 atm.The molal-freezing-point-depression constant ( )for ethanol is The molar masses of glycerin and of ethanol are 92.1 g/mol and 46.1 g/mol,respectively. The molar masses of glycerin and of ethanol are 92.1 g/mol and 46.1 g/mol,respectively.

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Question 32

Which produces the greatest number of ions when one mole dissolves in water?

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Question 33

What is the molality of a 24.4% (by mass)aqueous solution of phosphoric acid?

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Question 34

The concentration of CO2 in a soft drink bottled with a partial pressure of CO2 of 6.5 atm over the liquid at 29 °C is 2.2 × 10-1 M.The Henry's law constant for CO2 at this temperature is ________.

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Question 35

What is the molality of LiCl in solution that is 9.0% by mass LiCl and has a density of 1.00 g/mL?

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Question 36

What is the molarity of phosphoric acid in a 31.5% (by mass)aqueous solution?

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Question 37

Which of the following liquids will have the lowest freezing point?

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Question 38

The value of the boiling-point-elevation constant (Kb)depends on the identity of the solvent.

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Question 39

The process of a substance sticking to the surface of another is called ________.

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Question 40
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