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  4. The relative lowering of the vapour pressure is equal to the ratio between the number of

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Q. The relative lowering of the vapour pressure is equal to the ratio between the number of

AIPMTAIPMT 1991Solutions

Solution:

According to Raoult's law the relative lowering of vapour pressure is equal to mole fraction of solute, i.e., the ratio of number of moles of solute to total number of moles of all component in solution.