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The vapour pressure of mixture of toluen...

The vapour pressure of mixture of toluene and xylene at `90^(@)`C is 0.5 atm. If at this temperature 400 mm and 150 mm respectively then what will be the mole fraction of toluene in mixture ?

A

0.08

B

0.92

C

0.88

D

0.46

Text Solution

Verified by Experts

The correct Answer is:
B
`P_(s)=X_(A)P_(A)^(@)+(1-X_(A))P_(B)^(@)`
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