Vapor pressure of two volatile species A and B are 55 mm and 120 mm respectively. If mole fraction of ‘A’ in liquid state is 0.8, then mole fraction of ‘B’ in vapor state is A) 0.65 B) 0.45 C) 0.35 D)

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Question

Vapor pressure of two volatile species A and B are 55 mm and 120 mm respectively. If mole fraction of ‘A’ in liquid state is 0.8, then mole fraction of ‘B’ in vapor state is

A) 0.65
B) 0.45
C) 0.35
D) 0.53

Prashant Kotian · Accepted Answer

Correct answer: C

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