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Chemistry Solution & Colligative Properties General Single Correct MCQ
Published on: August 13, 2026

Density of a 2.05 M solution of acetic acid in water is 1.02 g/mL. The molality of the solution is

A
3.28 mol Kg–1
B
2.28 mol Kg–1
C
0.44 mol Kg–1
D
1.14 mol Kg–1

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Text Solution

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The correct answer is:
B

Molality, m = × 1000

where M = molarity, d = density, M2 = molecular mass

m = = 2.28 mol kg–1

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