Solutions Part 2

Section: Chemistry

Question : 3 of 86

Marks: +1, -0

Two liquids A and B form an ideal solution at temperature TK. At TK, the vapour pressures of pure A and B are 55 and 15kNm−2 respectively. What is the mole fraction of A in solution of A and B in equilibrium with a vapour in which the mole fraction of A is 0.8 ?

[24 Jan 2026 Shift 2]

0.5217
0.480
0.340
0.663

Validate

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