Section 13.2
Solutions and Their Properties
Practice Test
1.
Hard water contains significant concentrations of these.
a.
calcium and magnesium ions
b.
iron atoms
c.
sodium ions
d.
chloride ions
Hint
2.
Regarding solvents and solvents, ________________.
a.
like dissolves like
b.
nonpolar solvents dissolve polar solutes
c.
polar solvents dissolve nonpolar solutes
d.
solutes dissolve solvents
Hint
3.
A solution that contains very little solute is described as ____________.
a.
concentrated
b.
dilute
c.
massive
d.
saturated
Hint
4.
A ________________ solution contains more than the usual maximum amount of solute.
a.
concentrated
b.
dilute
c.
saturated
d.
supersaturated
Hint
5.
Molarity equals ______________________.
a.
moles of solute per liter of solution
b.
grams of solute per gram of solution
c.
grams of solute per liter of solution
d.
liters of solute per kilogram of solution
Hint
6.
What is the molarity of a solution prepared by dissolving 50.0 g of NaCl to make 500.0 mL of solution?
a.
0.855 M
b.
0.100 M
c.
1.17 M
d.
1.71 M
Hint
7.
A solute __________________ of the solvent.
a.
does not affect
b.
lowers the boiling point
c.
raises the boiling point
d.
raises the freezing point
Hint
8.
Driven by concentration difference, the movement of molecules through a semipermeable memebrane is called ___________.
a.
boiling
b.
capillarity
c.
osmosis
d.
reverse movement
Hint
9.
Calculate the molarity of 0.75 L of a solution containing 0.83 g of dissolved KCl.
a.
0.015 M
b.
0.75 M
c.
1.1 M
d.
6.2
Hint
10.
How many grams of NaCl are dissolved in 500.0 mL of a 0.05M solution of NaCl?
a.
0.05 g
b.
0.29 g
c.
1.46 g
d.
2.92 g
Hint
