Equal masses of a solute are dissolved i...

Equal masses of a solute are dissolved in equal amount of two solvents A and B respective molecular masses being `M_(A)` and `M_(B)` . The relative lowering of vapour pressure of solution in solvent A is twice that of the solution in solvent B. If the solutions are dilute , `M_(A)` and `M_(B)` are related as

A

`M_(A)=M_(B)`

B

`2M_(A)=M_(B)`

C

`M_(A)=2M`

D

`M_(A)=4M_(B)`

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The correct Answer is:

C

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