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If two substances A and B have pA^0 : pB...

If two substances A and B have `p_A^0 : p_B^0` = 1: 2 and have mole fraction in solution 1: 2, then mole fraction of A in vapours is

A

0.33

B

0.25

C

0.52

D

0.2

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The correct Answer is:
D
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