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The vapour pressure of a solution contai...

The vapour pressure of a solution containing `5.0 g` of a non-electrolyte in `100.0 g` of water at a particular temperature is `2985 N m^(-2)`. If the vapour pressure of pure water is `3000 N m^(-2)`, the molecular weight of the solute is

A

180

B

90

C

270

D

200

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The correct Answer is:
A
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