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The vapour pressure of a dilute aqueous ...

The vapour pressure of a dilute aqueous solution of glucose is `750`mmHg at `373`K. The mole fraction of the solute is

A

`(1)/(76)`

B

`(1)/(7.6)`

C

`(1)/(38)`

D

`(1)/(10)`

Text Solution

Verified by Experts

The correct Answer is:
A
`(P_(A)^(@)-P)/(P_(A)^(@))=chi_(B),`
`chi_(B)=(760xx750)/(760)=(1)/(76)`
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