1.

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

Answer»

`M_(A)=M_(B)`
`2M_(A)=M_(B)`
`M_(A)=2M`
`M_(A)=4M_(B)`

ANSWER :C


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