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A mixture of A(g) and B(g) is formed, wh...

A mixture of `A(g)` and `B(g)` is formed, where mole fraction of gas A is `0.8`.
Given : `P_(A)^(@) = 400` torr, `P_(B)^(@) = 200` torr
Mixture of A and B obey Raoult's law. Then :

A

Composition of first drop of condensate is `(X_(A) = 2/3)`

B

Total pressure when first drop of condensate form is `1000//3` torr

C

The composition of last bubble is `(Y_(A) = 8/9)`

D

Composition of A in vapour when mole fraction of A and B in liquid are equal `(Y_(A) = 2/3)`

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A, B, C, D
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