Question 1

From the following list of aqueous solutions and water, select the one with the highest boiling 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)   pure waterF) A) and E)
G) A) and B)

Question 2

The ________ ________ is the scattered light that is caused by the dispersed phase of a colloid that has a beam of light passed through it.

Accepted Answer

The answer of The ________ ________ is the scattered light...

Question 3

What is the name given to a solution that contains the maximum amount of solute that will dissolve in a solvent at a specific temperature?

Accepted Answer

A)   Saturated
B)   Unsaturated
C)   Solvent
D)   Solute
E)   SupersaturatedF) B) and E)
G) A) and D)

Question 4

Which law describes the quantitative relationship between the solubility of a gas and its partial pressure?

Accepted Answer

A)   Entropy
B)   Henry's law
C)   Enthalpy
D)   Boyle's law
E)   Avogadro's lawF) B) and C)
G) A) and E)

Question 5

What is defined as a solution that has a lower concentration of dissolved substances than plasma?

Accepted Answer

A)   Hypotonic
B)   Hypertonic
C)   Aplasmic
D)   Plasmic
E)   ColloidalF) A) and D)
G) All of the above

Question 6

________ is the term used for a water fearing substance.

Accepted Answer

The answer of ________ is the term used for a...

Question 7

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) All of the above
G) A) and B)

Question 8

Barbiturates are synthetic drugs used as sedatives and hypnotics. Barbital (184.2 g/mol)  is one of the simplest of these drugs. What is the boiling point of a solution prepared by dissolving 42.5 g of barbital in 825 g of acetic acid? (For pure acetic acid, Kb = 3.07°C/m; boiling point of pure acetic acid = 117.9°C)

Accepted Answer

A)   117.0°C
B)   117.7°C
C)   118.1°C
D)   118.8°C
E)   120.4°CF) A) and E)
G) B) and E)

Question 9

What volume of water (d = 1.00 g/mL)  should be added to 600. mL of ethanol in order to have a solution that boils at 95.0°C? (For ethanol, Kb = 1.22 °C/m; density = 0.789 g/cm3; boiling point = 78.4°C)

Accepted Answer

A)   186 mL
B)   245 mL
C)   518 mL
D)   116 mL
E)   322 mLF) C) and D)
G) B) and E)

Question 10

Dissolving a solute such as KOH in a solvent such as water results in

Accepted Answer

A)   an increase in the melting point of the liquid.
B)   a decrease in the boiling point of the liquid.
C)   a decrease in the vapor pressure of the liquid.
D)   no change in the boiling point of the liquid.E) C) and D)
F) A) and B)

Question 11

________ colloids are solutions containing extremely large molecules such as proteins. These colloids are also termed "water loving".

Accepted Answer

A)   Hydrophobic
B)   Aerosol
C)   Hydrophilic
D)   Emulsion
E)   Solid solF) None of the above
G) B) and D)

Question 12

What is defined as the selective passage of solvent molecules through a porous membrane from a more dilute solution to a more concentrated solution?

Accepted Answer

A)   Permeability
B)   Semipermeability
C)   Osmotic pressure
D)   Osmosis
E)   Vapor pressureF) B) and D)
G) A) and B)

Question 13

Which process defines how an ionic compound breaks apart into its constituent ions upon dissolution?

Accepted Answer

A)   electrolysis
B)   dissociation
C)   division
D)   ionization
E)   decompositionF) B) and E)
G) A) and D)

Question 14

What mass of water is required to dissolve 27.8 g of ammonium nitrate NH4NO3 in order to prepare a 0.452 m solution?

Accepted Answer

A)   0.0615 kg
B)   0.100 kg
C)   0.177 kg
D)   0.768 kg
E)   1.30 kgF) A) and C)
G) A) and E)

Question 15

The solubility of a solid always increases with increasing solvent temperature.

Accepted Answer

A) True 
 B)False

Question 16

What volume of ethanol (density = 0.7893 g/cm3)  should be added to 450. mL of water in order to have a solution that freezes at -15.0°C? Assume the density of water is 1.0 g/mL. (For water, Kf = 1.86 °C/m.)

Accepted Answer

A)   371 mL
B)   470 mL
C)   212 mL
D)   132 mL
E)   167 mLF) D) and E)
G) B) and E)

Question 17

What is the molarity of a solution that is 26.0% by mass phosphoric acid (H3PO4)  and that has a density of 1.155 g/mL?

Accepted Answer

A)   2.30 × 10 -3 M
B)   2.30 M
C)   2.65 M
D)   3.06 M
E)   0.265 MF) A) and C)
G) None of the above

Question 18

When 12.1 g of the sugar sucrose (a nonelectrolyte)  are dissolved in exactly 800 g of water, the solution has a freezing point of -0.082°C. What is the molar mass of sucrose? (Kf of water is 1.86°C/m.)

Accepted Answer

A)   426 g/mol
B)   99.2 g/mol
C)   178 g/mol
D)   266 g/mol
E)   343 g/molF) C) and D)
G) A) and E)

Question 19

Which pair of dispersed phases and dispersing media can never form a colloid?

Accepted Answer

A)   solid and gas
B)   liquid and gas
C)   solid and solid
D)   liquid and liquid
E)   gas and gasF) B) and E)
G) A) and B)

Question 20

What is the vapor pressure above a solution prepared by dissolving 0.500 mol of a nonvolatile solute in 275 g of hexane (86.18 g/mol)  at 49.6°C? P°hexane = 400.0 torr at 49.6°C.

Accepted Answer

A)   54 torr
B)   154 torr
C)   246 torr
D)   346 torr
E)   400. torrF) B) and D)
G) A) and B)

Exam 13: Physical Properties of Solutions

Dissolving a solute such as KOH in a solvent such as water results in

Correct Answer
verified

Which pair of dispersed phases and dispersing media can never form a colloid?

Correct Answer
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What is defined as a solution that has a lower concentration of dissolved substances than plasma?

Correct Answer
verified

________ is the term used for a water fearing substance.

Correct Answer
verified

What is defined as the selective passage of solvent molecules through a porous membrane from a more dilute solution to a more concentrated solution?

Correct Answer
verified

What volume of ethanol (density = 0.7893 g/cm³) should be added to 450. mL of water in order to have a solution that freezes at -15.0°C? Assume the density of water is 1.0 g/mL. (For water, K_f = 1.86 °C/m.)

Correct Answer
verified

Correct Answer
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What is the molarity of a solution that is 26.0% by mass phosphoric acid (H₃PO₄) and that has a density of 1.155 g/mL?

Correct Answer
verified

What is the name given to a solution that contains the maximum amount of solute that will dissolve in a solvent at a specific temperature?

Correct Answer
verified

What volume of water (d = 1.00 g/mL) should be added to 600. mL of ethanol in order to have a solution that boils at 95.0°C? (For ethanol, K_b = 1.22 °C/m; density = 0.789 g/cm³; boiling point = 78.4°C)

Correct Answer
verified

________ colloids are solutions containing extremely large molecules such as proteins. These colloids are also termed "water loving".

Correct Answer
verified

The solubility of a solid always increases with increasing solvent temperature.

Correct Answer
verified

Which law describes the quantitative relationship between the solubility of a gas and its partial pressure?

Correct Answer
verified

What mass of water is required to dissolve 27.8 g of ammonium nitrate NH₄NO₃ in order to prepare a 0.452 m solution?

Correct Answer
verified

What is the vapor pressure above a solution prepared by dissolving 0.500 mol of a nonvolatile solute in 275 g of hexane (86.18 g/mol) at 49.6°C? P°_hexane= 400.0 torr at 49.6°C.

Correct Answer
verified

When 12.1 g of the sugar sucrose (a nonelectrolyte) are dissolved in exactly 800 g of water, the solution has a freezing point of -0.082°C. What is the molar mass of sucrose? (K_f of water is 1.86°C/m.)

Correct Answer
verified

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?

Correct Answer
verified

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

Correct Answer
verified

The is the scattered light that is caused by the dispersed phase of a colloid that has a beam of light passed through it.

Correct Answer
verified

Which process defines how an ionic compound breaks apart into its constituent ions upon dissolution?

Correct Answer
verified

Exam 13: Physical Properties of Solutions

Dissolving a solute such as KOH in a solvent such as water results in

Correct AnswerverifiedShow Answer

Which pair of dispersed phases and dispersing media can never form a colloid?

Correct AnswerverifiedShow Answer

What is defined as a solution that has a lower concentration of dissolved substances than plasma?

Correct AnswerverifiedShow Answer

________ is the term used for a water fearing substance.

Correct AnswerverifiedShow Answer

What is defined as the selective passage of solvent molecules through a porous membrane from a more dilute solution to a more concentrated solution?

Correct AnswerverifiedShow Answer

What volume of ethanol (density = 0.7893 g/cm3) should be added to 450. mL of water in order to have a solution that freezes at -15.0°C? Assume the density of water is 1.0 g/mL. (For water, Kf = 1.86 °C/m.)

Correct AnswerverifiedShow Answer

Correct AnswerverifiedShow Answer

What is the molarity of a solution that is 26.0% by mass phosphoric acid (H3PO4) and that has a density of 1.155 g/mL?

Correct AnswerverifiedShow Answer

What is the name given to a solution that contains the maximum amount of solute that will dissolve in a solvent at a specific temperature?

Correct AnswerverifiedShow Answer

What volume of water (d = 1.00 g/mL) should be added to 600. mL of ethanol in order to have a solution that boils at 95.0°C? (For ethanol, Kb = 1.22 °C/m; density = 0.789 g/cm3; boiling point = 78.4°C)

Correct AnswerverifiedShow Answer

________ colloids are solutions containing extremely large molecules such as proteins. These colloids are also termed "water loving".

Correct AnswerverifiedShow Answer

The solubility of a solid always increases with increasing solvent temperature.

Correct AnswerverifiedShow Answer

Which law describes the quantitative relationship between the solubility of a gas and its partial pressure?

Correct AnswerverifiedShow Answer

What mass of water is required to dissolve 27.8 g of ammonium nitrate NH4NO3 in order to prepare a 0.452 m solution?

Correct AnswerverifiedShow Answer

What is the vapor pressure above a solution prepared by dissolving 0.500 mol of a nonvolatile solute in 275 g of hexane (86.18 g/mol) at 49.6°C? P°hexane = 400.0 torr at 49.6°C.

Correct AnswerverifiedShow Answer

When 12.1 g of the sugar sucrose (a nonelectrolyte) are dissolved in exactly 800 g of water, the solution has a freezing point of -0.082°C. What is the molar mass of sucrose? (Kf of water is 1.86°C/m.)

Correct AnswerverifiedShow Answer

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?

Correct AnswerverifiedShow Answer

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

Correct AnswerverifiedShow Answer

The ________ ________ is the scattered light that is caused by the dispersed phase of a colloid that has a beam of light passed through it.

Correct AnswerverifiedShow Answer

Which process defines how an ionic compound breaks apart into its constituent ions upon dissolution?

Correct AnswerverifiedShow Answer

Correct Answer
verified

Correct Answer
verified

Correct Answer
verified

Correct Answer
verified

Correct Answer
verified

What volume of ethanol (density = 0.7893 g/cm³) should be added to 450. mL of water in order to have a solution that freezes at -15.0°C? Assume the density of water is 1.0 g/mL. (For water, K_f = 1.86 °C/m.)

Correct Answer
verified

Correct Answer
verified

What is the molarity of a solution that is 26.0% by mass phosphoric acid (H₃PO₄) and that has a density of 1.155 g/mL?

Correct Answer
verified

Correct Answer
verified

What volume of water (d = 1.00 g/mL) should be added to 600. mL of ethanol in order to have a solution that boils at 95.0°C? (For ethanol, K_b = 1.22 °C/m; density = 0.789 g/cm³; boiling point = 78.4°C)

Correct Answer
verified

Correct Answer
verified

Correct Answer
verified

Correct Answer
verified

What mass of water is required to dissolve 27.8 g of ammonium nitrate NH₄NO₃ in order to prepare a 0.452 m solution?

Correct Answer
verified

What is the vapor pressure above a solution prepared by dissolving 0.500 mol of a nonvolatile solute in 275 g of hexane (86.18 g/mol) at 49.6°C? P°_hexane= 400.0 torr at 49.6°C.

Correct Answer
verified

When 12.1 g of the sugar sucrose (a nonelectrolyte) are dissolved in exactly 800 g of water, the solution has a freezing point of -0.082°C. What is the molar mass of sucrose? (K_f of water is 1.86°C/m.)

Correct Answer
verified

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?

Correct Answer
verified

Correct Answer
verified

The is the scattered light that is caused by the dispersed phase of a colloid that has a beam of light passed through it.

Correct Answer
verified

Correct Answer
verified