Question 1

According to Henry's law, the solubility of a gas in a liquid

Accepted Answer

A)  remains the same as the temperature increases.
B)  decreases as the gas pressure above the liquid increases.
C)  depends on the liquid polarity.
D)  increases as the gas pressure above the liquid increases.
E)  depends on the liquid density.F) B) and C)
G) A) and B)

Question 2

How many grams of  are formed when  25.0 mL of  0.654 M KCl react completely with

Accepted Answer

A)  4.54 g
B)  22.7 g
C)  2.27 g
D)  9.08 g
E)  1.64 gF) C) and D)
G) A) and D)

Question 3

Which of the following molecules can form hydrogen bonds?

Accepted Answer

A)  HI
B)  BH3
C)  NH3
D)  NaH
E)  CH4F) C) and D)
G) A) and E) C

Question 4

A mixture in which one component settles is called a(n) ________.

Accepted Answer

A)  nonelectrolyte
B)  solution
C)  colloid
D)  electrolyte
E)  suspensionF) B) and C)
G) C) and D)

Question 5

The molarity (M) of a solution refers to

Accepted Answer

A)  moles of solute/L of solvent.
B)  grams of solute/100 mL of solution.
C)  grams of solute/L of solution.
D)  moles of solute/L of solution.
E)  moles of solute/100 mL of solution.F) C) and D)
G) B) and E)

Question 6

How many mL of  0.234 M KCl solution will react completely with  25.0 mL  of  0.168 M  solution?

Accepted Answer

A)    35.6 mL
B)    17.9 mL
C)    34.8 mL
D)    25.0 mL
E)    22.5 mL F) A) and E)
G) A) and D)

Question 7

When KCl dissolves in water,

Accepted Answer

A)   the  ions are attracted to dissolved  ions.
B)   the  ions are attracted to the partially positive hydrogen atoms of the water molecule.
C)   the  ions are attracted to the partially negative oxygen atoms of the water molecule.
D)   the  ions are attracted to the partially negative oxygen atoms of the water molecule.
E)   the  ions are attracted to  ions on the  \mathrm{KCl}  crystal.F) All of the above
G) D) and E)

Question 8

Which one of the following compounds will be insoluble in water?

Accepted Answer

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

Question 9

What is the molarity of a solution that contains  3.25  moles of  in  250 mL of solution?

Accepted Answer

A)    13.0 M
B)    2.60 M
C)    3.25 M
D)    6.50 M
E)    0.0130 MF) A) and C)
G) B) and E)

Question 10

Which one of the following compounds will be insoluble in water?

Accepted Answer

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

Question 11

1.0 mole of NaCl, a strong electrolyte, is added to 1.0 kg of water. The freezing point of the solution will be ________ the freezing point of pure water.

Accepted Answer

A)  higher than
B)  lower than
C)  the same asD) B) and C)
E) None of the above

Question 12

A substance that carries an electric current when dissolved in water is called a(n)________.

Accepted Answer

The answer of A substance that carries an electric current...

Question 13

NaCl can be classified as a ________.

Accepted Answer

A)  liquid
B)  strong electrolyte
C)  gas
D)  nonelectrolyte
E)  weak electrolyteF) A) and C)
G) A) and D)

Question 14

Water is a polar solvent and hexane  is a nonpolar solvent. Which of the following correctly describes the solubility of the solute?

Accepted Answer

A)    soluble in hexane
B)    soluble in water
C)    soluble in water
D)   octane, soluble in water
E)   mineral oil, soluble in waterF) B) and E)
G) B) and D)

Question 15

Oil does not dissolve in water because

Accepted Answer

A)  oil is nonpolar.
B)  water is saturated.
C)  water is nonpolar.
D)  oil is hydrated.
E)  oil is polar.F) C) and D)
G) A) and B)

Question 16

An increase in the temperature of a solution usually

Accepted Answer

A)  increases the boiling point.
B)  decreases the solubility of a solid solute in the solution.
C)  increases the solubility of a solid solute in the solution.
D)  increases the solubility of a gas in the solution.
E)  decreases the solubility of a liquid solute in the solution.F) A) and E)
G) B) and E)

Question 17

How many equivalents are present in  5.0 g of

Accepted Answer

A)    0.37 Eq
B)    0.19 Eq
C)    3 Eq
D)    15 Eq
E)    0.56 EqF) A) and C)
G) None of the above

Question 18

When some of the sugar added to iced tea remains undissolved at the bottom of the glass, the solution is

Accepted Answer

A)  saturated.
B)  polar.
C)  dilute.
D)  nonpolar.
E)  unsaturated.F) B) and C)
G) A) and E) A

Question 19

0.50  mole of NaCl , a strong electrolyte, is added to  1.0 kg of water. The freezing point of the solution will be

Accepted Answer

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

Question 20

When solutions of  NaCl and  are mixed,

Accepted Answer

A)   a precipitate of  AgCl forms.
B)   precipitates of  and  AgCl form.
C)   a precipitate of  forms.
D)   no precipitate forms.
E)   a precipitate of  forms.F) All of the above
G) A) and B)

Exam 9: Solutions

According to Henry's law, the solubility of a gas in a liquid

Correct AnswerverifiedShow Answer

How many grams of are formed when 25.0 mL of 0.654 M KCl react completely with

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Which of the following molecules can form hydrogen bonds?

Correct AnswerverifiedC

A mixture in which one component settles is called a(n) ________.

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The molarity (M) of a solution refers to

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How many mL of 0.234 M KCl solution will react completely with 25.0 mL of 0.168 M solution?

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When KCl dissolves in water,

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Which one of the following compounds will be insoluble in water?

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What is the molarity of a solution that contains 3.25 moles of in 250 mL of solution?

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Which one of the following compounds will be insoluble in water?

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1.0 mole of NaCl, a strong electrolyte, is added to 1.0 kg of water. The freezing point of the solution will be ________ the freezing point of pure water.

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A substance that carries an electric current when dissolved in water is called a(n)________.

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NaCl can be classified as a ________.

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Water is a polar solvent and hexane is a nonpolar solvent. Which of the following correctly describes the solubility of the solute?

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Oil does not dissolve in water because

Correct AnswerverifiedShow Answer

An increase in the temperature of a solution usually

Correct AnswerverifiedShow Answer

How many equivalents are present in 5.0 g of

Correct AnswerverifiedShow Answer

When some of the sugar added to iced tea remains undissolved at the bottom of the glass, the solution is

Correct AnswerverifiedA

0.50 mole of NaCl , a strong electrolyte, is added to 1.0 kg of water. The freezing point of the solution will be

Correct AnswerverifiedB

When solutions of NaCl and are mixed,

Correct AnswerverifiedShow Answer

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