Chemistry: Matter and Change

Section 3: Solvation and Solubility

Self Check Quizzes

1
In a glass of sugar water, which substance is the solute?
A)water
B)sugar
C)glass
D)none of the above
2
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
3
What is a common means of identifying a supersaturated solution?
A)precipitation
B)dissolution
C)solvation
D)hydration
4
At constant temperature, the pressure of carbon dioxide over water increases from 1.00 atm to 3.00 atm. If the beginning solubility is 0.878 g/100 L water, what is the final solubility?

S1/P1 = S2/P2
A)0.878 g/100 L water
B)3.51 g/100 L water
C)0.293 g/100 L water
D)2.63 g/100 L water
5
Sucrose dissolves in water because __________.

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A)sucrose is an ionic compound
B)both water and sucrose are polar molecules
C)both water and sucrose are molecular compounds
D)both water and sucrose have high melting points
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