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Section 1: What are Solutions?

What are Solutions?

1.

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If 12.0 g of a gas at 2.5 atm dissolve in 1.0 L of water at 25°C, how much will dissolve in 1.0 L of water at STP?
A)0.21 g/L
B)2.1 g/L
C)4.8 g/L
D)12.0 g/L
2.
In a solution, the substance that does the dissolving is ____________.
A)the solvent
B)the solute
C)saturated
D)miscible
3.
Solutions can be mixtures of _______________.
A)solids
B)liquids
C)gases
D)all of the above
4.
In a glass of sugar water, which substance is the solute?
A)water
B)sugar
C)glass
D)none of the above
5.
The process of a solvent and a solute completely mixing and forming a solution is ________.
A)solvation
B)salvation
C)crystallization
D)ionization
6.
Which of the following will not increase the rate of solvation?
A)agitating the mixture
B)increasing the surface area
C)increasing the temperature
D)formation of a precipitate
7.
A solution is said to be ________ when more solute can be dissolved in the solvent at a given temperature.
A)supersaturated
B)saturated
C)unsaturated
D)solvated
8.
What is a common means of identifying a supersaturated solution?
A)precipitation
B)dissolution
C)solvation
D)hydration
9.
The decrease in solubility of a gas in a solution when the pressure is reduced is described by _________.
A)Boyle’s law
B)Henry’s law
C)Charles’s law
D)the ideal gas law
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