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WorksheetsColligative Properties
Total questions: 17
Worksheet time: 11mins
When CH3OH is dissolved in water, how many particles are in solution for each unit?
1
3
4
5
6
When KCl (potassium chloride) is dissolved in water, how many particles are in solution for each unit?
1
2
3
4
6
When CaBr2 is dissolved in water, how many particles will be in solution for each unit?
1
2
3
4
5
At the same concentration, which salt will have the largest effect on the freezing point?
C2H4O2
H2S
LiBr
CaF2
The graph above is a heating curve of water. Which number in the graph represents the process of freezing?
1
2
3
4
5
What type of substance dissolves in water but does not form ions or conduct electricity?
electrolyte
nonelectrolyte
saturated
insoluble
The van't Hoff factor measures the number of particles formed in solution. What is the van't Hoff factor for the compound Na2SO4?
1
3
5
7
Adding a nonvolatile solute to a liquid will ___.
depress both the freezing point and the boiling point
elevate both the freezing point and the boiling point
depress the freezing point and elevate the boiling point
elevate the freezing point and depress the boiling point
Electrolytes have a greater effect on colligative properties than nonelectrolytes do because electrolytes
are volatile
have higher boiling points
produce fewer moles of solute particles per mole of solvent
produce more moles of solute particles per mole of solvent
When CH3OH is dissolved in water, how many particles are in solution?
1
3
4
5
6
When 11.0 g of CaCl2 dissolves in 45.0 g of water, what is the boiling point of the solution? (Kb = 0.512 oC/m)
3.4
103.4
101.1
1.1
101.4
Find the boiling point of a solution containing 15.0 g sucrose (molar mass = 342.3g/mol), in 100g of water. (Kb = 0.512 oC/m)
100.2
99.8
0.2
-0.2
Which salt below has the largest effect on freezing point?
C2H4O2
H2S
LiBr
CaF2
When 26.0 g of NaCl, are dissolved in 0.5 kg of water, what is the freezing point of this solution? (Kf = 1.86 oC/m)
-3.3
103.3
-1.7
-0.8
