Find the total vapour pressure of an ideal binary mixture of two liquids, A and B. The vapourpressures of A and B are 75 Torr and 25 Torr respectively at 25 °C. The mole fraction of A is 0.75 inthe vapour that is in equilibrium with the solution.O A. 62.5 TorrO B. 50 TorrO C.100 TorrO D. 30 TorrO E. Data InsufficientRationale

Given , PA° = 75 torr PB° = 25 torr XA = 0.75 XB = 0.25 Using Raoult's law, Ps = PAXA ° + PB°XB…

the total vapour pressure of an ideal binary sures of A and B are 75 Torr and 25 Torr respe rapour that is in equilibrium with the solutio A. 62.5 Torr B. 50 Torr C. 100 Torr D. 30 Torr E. Data Insufficient

the total vapour pressure of an ideal binary sures of A and B are 75 Torr and 25 Torr respe rapour that is in equilibrium with the solutio A. 62.5 Torr B. 50 Torr C. 100 Torr D. 30 Torr E. Data Insufficient

Physical Chemistry

2nd Edition

ISBN:9781133958437

Author:Ball, David W. (david Warren), BAER, Tomas

Publisher:Ball, David W. (david Warren), BAER, Tomas

Chapter7: Equilibria In Multiple-component Systems

Section: Chapter Questions

Problem 7.87E

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Question

Find the total vapour pressure of an ideal binary mixture of two liquids, A and B. The vapour
pressures of A and B are 75 Torr and 25 Torr respectively at 25 °C. The mole fraction of A is 0.75 in
the vapour that is in equilibrium with the solution.
O A. 62.5 Torr
O B. 50 Torr
O C.100 Torr
O D. 30 Torr
O E. Data Insufficient
Rationale

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