Mole ConceptHard

Question

Mole fraction of the component A in vapour phase is x1 and mole fraction of component A in liquid mixture is x2 (PoA = vapour pressure of pure A; PoB = vapour pressure of pure B) then total vapour pressure of the liquid mixture is :-

Options

A.
B.
C.
D.

Solution

P′A = X2PoA , P′A = X1Pm
⇒ X1Pm = X2PAo ⇒ Pm =

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