The vapour pressure of pure liquid A is `0.80` atm. When a non volatile B is added to A its vapour pressure drops to `0.

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Q 2534712652.     The vapour pressure of pure liquid A is `0.80` atm. When a non volatile B is added to A its vapour pressure drops to `0.60` atm. The mole fraction of B in the solution is
UPSEE 2008
A

`0.125`

B

`0.25`

C

`0.5`

D

`0.75`

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Solution
(Provided By a Student and Checked/Corrected by EXXAMM.com Team)

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