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One mole of non-volatile solute is disso...

One mole of non-volatile solute is dissolved in two moles of water. The vapour pressure of the solution relative to that water of

A

`2/3`

B

`1/3`

C

`1/2`

D

3/2`

Text Solution

Verified by Experts

`("P"_("solvent")^(@)-"P"_("solution"))/"P"_("solvent")^(@)=1/(1+2)=1/3 " (mole fraction of solute in solution)" " Or " "P"_("solution")/"P"_("solvent")^(@)=1-1/3=2/3`
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