Colligative Properties

Colligative Properties

KG - University

5 Qs

quiz-placeholder

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Colligative Properties

Colligative Properties

Assessment

Quiz

Chemistry

KG - University

Practice Problem

Medium

Created by

Johnthan Gordon

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5 questions

Show all answers

1.

MULTIPLE CHOICE QUESTION

5 mins • 1 pt

What is the freezing point of an antifreeze solution created by adding 651 g of ethylene glycol (CH2(OH)CH2(OH)) to 2505 g of water? Kf = 1.86 oC/m

-4.19 oC
2.2 oC
oC
-7.79 oC

2.

MULTIPLE CHOICE QUESTION

1 min • 1 pt

What observation(s) reflect(s) colligative properties?
I. A 0.5 m NaBr soln has a higher vapor pressure than 0.5 m BaCl2 soln.
II. A 0.5 m NaOH soln freezes at a lower T. than pure water.
III. Pure water freezes at a higher T than pure methanol.

only I
only II
only III
1 & II

3.

MULTIPLE CHOICE QUESTION

15 mins • 1 pt

What is the van't Hoff factor for the compound Na2SO4

1
3
5
7

4.

MULTIPLE CHOICE QUESTION

15 mins • 1 pt

What is the van't Hoff factor for the compound CH3OH?

1
3
6
9

5.

MULTIPLE CHOICE QUESTION

15 mins • 1 pt

Calculate the freezing point of a solution made from 72.33 g of propane, C3H8, dissolved in 250.0 mL of water.

-24.810C
-9.550C
-6.500C
-12.200C

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