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Oil does not dissolve in water because


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

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Water is a polar solvent and hexane Water is a polar solvent and hexane is a nonpolar solvent. Which of the following correctly describes the solubility of the solute? A) soluble in hexane B) soluble in water C) soluble in water D) octane, soluble in water E) mineral oil, soluble in water is a nonpolar solvent. Which of the following correctly describes the solubility of the solute?


A) Water is a polar solvent and hexane is a nonpolar solvent. Which of the following correctly describes the solubility of the solute? A) soluble in hexane B) soluble in water C) soluble in water D) octane, soluble in water E) mineral oil, soluble in water soluble in hexane
B) Water is a polar solvent and hexane is a nonpolar solvent. Which of the following correctly describes the solubility of the solute? A) soluble in hexane B) soluble in water C) soluble in water D) octane, soluble in water E) mineral oil, soluble in water soluble in water
C) Water is a polar solvent and hexane is a nonpolar solvent. Which of the following correctly describes the solubility of the solute? A) soluble in hexane B) soluble in water C) soluble in water D) octane, soluble in water E) mineral oil, soluble in water soluble in water
D) octane, soluble in water
E) mineral oil, soluble in water

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An increase in the temperature of a solution usually


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.

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Which of the following molecules can form hydrogen bonds?


A) HI
B) BH3
C) NH3
D) NaH
E) CH4

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C

The molarity (M) of a solution refers to


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.

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


A) Which one of the following compounds will be insoluble in water? A) B) C) D) E)
B) Which one of the following compounds will be insoluble in water? A) B) C) D) E)
C) Which one of the following compounds will be insoluble in water? A) B) C) D) E)
D) Which one of the following compounds will be insoluble in water? A) B) C) D) E)
E) Which one of the following compounds will be insoluble in water? A) B) C) D) E)

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


A) 0.50 mole of NaCl , a strong electrolyte, is added to 1.0 kg of water. The freezing point of the solution will be A) B) C) D) E)
B) 0.50 mole of NaCl , a strong electrolyte, is added to 1.0 kg of water. The freezing point of the solution will be A) B) C) D) E)
C) 0.50 mole of NaCl , a strong electrolyte, is added to 1.0 kg of water. The freezing point of the solution will be A) B) C) D) E)
D) 0.50 mole of NaCl , a strong electrolyte, is added to 1.0 kg of water. The freezing point of the solution will be A) B) C) D) E)
E) 0.50 mole of NaCl , a strong electrolyte, is added to 1.0 kg of water. The freezing point of the solution will be A) B) C) D) E)

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B

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


A) Which one of the following compounds will be insoluble in water? A) B) C) D) E)
B) Which one of the following compounds will be insoluble in water? A) B) C) D) E)
C) Which one of the following compounds will be insoluble in water? A) B) C) D) E)
D) Which one of the following compounds will be insoluble in water? A) B) C) D) E)
E) Which one of the following compounds will be insoluble in water? A) B) C) D) E)

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How many equivalents are present in 5.0 g of How many equivalents are present in 5.0 g of A) 0.37 Eq B) 0.19 Eq C) 3 Eq D) 15 Eq E) 0.56 Eq


A) 0.37 Eq
B) 0.19 Eq
C) 3 Eq
D) 15 Eq
E) 0.56 Eq

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


A) nonelectrolyte
B) solution
C) colloid
D) electrolyte
E) suspension

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How many grams of How many grams of are formed when 25.0 mL of 0.654 M KCl react completely with A) 4.54 g B) 22.7 g C) 2.27 g D) 9.08 g E) 1.64 g are formed when 25.0 mL of 0.654 M KCl react completely with How many grams of are formed when 25.0 mL of 0.654 M KCl react completely with A) 4.54 g B) 22.7 g C) 2.27 g D) 9.08 g E) 1.64 g How many grams of are formed when 25.0 mL of 0.654 M KCl react completely with A) 4.54 g B) 22.7 g C) 2.27 g D) 9.08 g E) 1.64 g


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

Correct Answer

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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.


A) higher than
B) lower than
C) the same as

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When KCl dissolves in water,


A) the When KCl dissolves in water, 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. ions are attracted to dissolved When KCl dissolves in water, 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. ions.
B) the When KCl dissolves in water, 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. ions are attracted to the partially positive hydrogen atoms of the water molecule.
C) the When KCl dissolves in water, 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. ions are attracted to the partially negative oxygen atoms of the water molecule.
D) the When KCl dissolves in water, 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. ions are attracted to the partially negative oxygen atoms of the water molecule.
E) the When KCl dissolves in water, 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. ions are attracted to When KCl dissolves in water, 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. ions on the \mathrm{KCl} crystal.

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NaCl can be classified as a ________.


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

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


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.

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What is the molarity of a solution that contains 3.25 moles of What is the molarity of a solution that contains 3.25 moles of in 250 mL of solution? A) 13.0 M B) 2.60 M C) 3.25 M D) 6.50 M E) 0.0130 M in 250 mL of solution?


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

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

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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? A) 35.6 mL B) 17.9 mL C) 34.8 mL D) 25.0 mL E) 22.5 mL How many mL of 0.234 M KCl solution will react completely with 25.0 mL of 0.168 M How many mL of 0.234 M KCl solution will react completely with 25.0 mL of 0.168 M solution? A) 35.6 mL B) 17.9 mL C) 34.8 mL D) 25.0 mL E) 22.5 mL solution?


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

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When solutions of NaCl and When solutions of NaCl and are mixed, 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. are mixed,


A) a precipitate of AgCl forms.
B) precipitates of When solutions of NaCl and are mixed, 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. and AgCl form.
C) a precipitate of When solutions of NaCl and are mixed, 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. forms.
D) no precipitate forms.
E) a precipitate of When solutions of NaCl and are mixed, 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. forms.

Correct Answer

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


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

Correct Answer

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A

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