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At 80^(@)C the vapour pressure of pure l...

At `80^(@)C` the vapour pressure of pure liquid A is 520 mm Hg and that of pure liquid B is 1000 mm Hg. If a mixture solution of A and B boils at `80^(@)C` and 1 atm pressure, then amount of A in the mixture is

A

48 mol percent

B

50 mol percent

C

52 mol percent

D

34 mol percent

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