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

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, the amount of A in the mixture is :
(1 atm=760 mm Hg)

A

34 mol percent

B

48 mol percent

C

50 mol percent

D

52 mol percent

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The correct Answer is:
C
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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 boil at 80^(@)C and 1 atm pressure, than the amount of A in the mixture is (! Atm = 760 mm Hg)

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