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The relative lowering of vapour pressure...

The relative lowering of vapour pressure of a solvent by the addition of a solute is :
1) proportional to the molarity of the solution
2) proportional to the molality of the solution
3) equal to the mole fraction of the solute
4) equal to the mole fraction of the solvent.

A

proportional to the molarity of the solution

B

proportional to the molality of the solution

C

equal to the mole fraction of the solute

D

equal to the mole fraction of the solvent.

Text Solution

Verified by Experts

The correct Answer is:
C
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