Chapter 13
MULTIPLE CHOICE. Choose the one alternative that best completes the statement or answers the question.
1) The process of solute particles being surrounded by solvent particles is known as __________.
1)
A) dehydration
B) agglutination
C) solvation
D) agglomeration
E) salutation
2) Pairs of liquids that will mix in all proportions are called __________ liquids.
2)
A) saturated
B) miscible
C) supersaturated
D) unsaturated
E) polar liquids
3) The solubility of oxygen gas in water at 25 °C and 1.0 atm pressure of oxygen is 0.041 g/L. The
3)
solubility of oxygen in water at 3.0 atm and 25 °C is __________ g/L.
A) 0.014
B) 0.12
C) 0.041
D) 3.0
E) 0.31
4) The solubility of nitrogen gas in water at 25 °C and a nitrogen pressure of 1.0 atm is 6.9 × 10 -4 M.
4)
The solubility of nitrogen in water at a nitrogen pressure of 0.80 atm is __________ M.
C) 1.2 × 10 3
A) 5.5 × 10 -4
B) 0.80
D) 3.7 × 10 -3
E) 8.6 × 10 -4
5) The solubility of Ar in water at 25 °C is 1.6 × 10 -3 M when the pressure of the Ar above the solution
5)
is 1.0 atm. The solubility of Ar at a pressure of 2.5 atm is __________ M.
D) 1.6 × 10 3
A) 6.4 × 10 -4
B) 4.0 × 10 -3
C) 7.5 × 10 -2
E) 1.6 × 10 -3
6) On a clear day at sea level, with a temperature of 25 °C, the partial pressure of N 2 in air is 0.78 atm
6)
and the concentration of nitrogen in water is 5.3 × 10 -4 M. When the partial pressure of N 2 is
__________ atm, the concentration in water is 1.1 × 10 -3 M.
A) 1.6 atm
B) 1.0 atm
C) 0.78 atm
D) 2.1 atm
E) 0.63 atm
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