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Two liquids A and B have P(A)^(@) and P(...

Two liquids `A` and `B` have `P_(A)^(@)` and `P_(B)^(@)` in the ratio of `1:3` and the ratio of number of moles of `A` and `B` in liquid phase are `1:3` then mole fraction of `A` in vapour phase in equilibrium with the solution is equal to :

A

0.1

B

0.2

C

0.5

D

`1.0`

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A
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