Published by:
CGP EDU Academic Team
Published on: August 13, 2026
A gaseous mixture of two substances A and B, under a total pressure of 0.8 atm is in equilibrium with an ideal liquid solution. The mole fraction of substance A is 0.5 in the vapour phase and 0.2 in the liquid phase. The vapour pressure of pure liquid A is_______atm. (Nearest integer)
Text Solution
Verified by ExpertsThe correct answer is:
2
(2)
Y A = 0.5 
Y B = 0.5
P A = P B = 0.4 atm
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