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PA and PB are the vapour pressure of pur...

`P_A` and `P_B` are the vapour pressure of pure liquid components, A and B, respectively of an ideal binary solution. If `X_A` represents the mole fraction of component A, the total pressure of the solution will be

A

`P_A + X_A (P_B - P_A)`

B

`P_A + X_A (P_A - P_B)`

C

`P_B+ X_A (P_B - P_A)`

D

`P_B + X_A (P_A - P_B)`

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The correct Answer is:
D
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