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WorksheetsColligative Properties
Total questions: 15
Worksheet time: 10mins
How many moles of particles (what is "i") for the substance Na2CO3?
(a)
Which of the following is a colligative property?
molarity depression
molality increasing
ppm
vapor pressure lowering
Which of the following is a colligative property?
boiling point elevation
vapor pressure elevation
molarity depression
vapor pressure lowering
Which of the following is a colligative property?
boiling point stability
freezing point depression
molar dissociation
ions dissolving
What is the value of "i" for CCl4?
1
5
3
0
What is the value of "i" for KNO3?
1
5
3
2
What is the value of "i" for C6H12O6?
12
6
1
24
What is the new boiling point of a solution of 1 molal NaCl? The Kb for water is .51°C/m.
100.51°C
100°C
101.02°C
-0.51°C
An equal number of moles of NaCl and CaCl2 are dissolved in equal volumes of water. Which solution has the lower freezing point?
CaCl2
NaCl
They are the same.
No way to tell.
An equal number of moles of NaCl and CaCl2 are dissolved in equal volumes of water. Which solution has the lower BOILING point?
CaCl2
NaCl
They are the same.
No way to tell.
Covalent/molecular species always have a van’t Hoff factor (AKA "i") of (a) .
At the same concentration, which of the following will elevate (increase) boiling point the most?
CH3OH
C6H12O6
KNO3
SrCl2
The freezing point of a solution is ______ the freezing point of the pure solvent.
higher than
the same as
lower than
higher or lower than
In a sugar and water solution, some sugar remains undissolved in the water. Which term best describes the solution?
Saturated
Unsaturated
Supersaturated
None of these
