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According to Raoult's law the relative l...

According to Raoult's law the relative lowering of vapour pressure for a solution is equal to

A

Mole fraction of the solvent

B

Mole fraction of the solute

C

Weight percentage of a solute

D

Weight percentage of solvent

Text Solution

Verified by Experts

The correct Answer is:
B
`(p^(@)-p)/(p^(@))=((w)/(m))/((w)/(m)+(W)/(M))` = mole fraction of solute.
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