Question

65.
The mole fraction of A in the liquid mixture is
0.5. If the vapour pressure of pure B is twice that
of pure A. vapour pressure of solution is 900 mm
of Hg. The partial pressure of A in the vapour
phase is:
(1) 100 mm of Hg
(2) 150 mm of Hg
(3) 300 mm of Hg
(4) 600 mm of Hg​

Answer 1

Answer:

0.8

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