At a certain temperature, the vapour pressure of water is 
. At the same temperature the vapour pressure of a solution containing a non-volatile solute is 
. The relative lowering of vapour pressure is
Text Solution
Verified by ExpertsThe correct answer is:
D
The relative lowering of vapour pressure 
is the vapour pressure of pure solvent and 
is the vapour pressure of the solution.
Given that, 
and 
The relative lowering of vapour pressure
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