1.

The vapour pressure of two pure liquids A and B are 200 and 400 tor respectively at 300K. A liquid solution (ideal) of A and B for which the mole fraction of A is 0.40 is contained in a cylinder. The composition of components A and B in vapour phase after equilibrium is reached between vapour & liquid phase, respectively is

Answer»

`X_A = 0.62`, `X_B = 0.38`
`X_A = 0.50`, `X_B = 0.50`
`X_A = 0.25`, `X_B= 0.75`
`X_A = 0.30`, `X_B= 0.70`

ANSWER :C


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