The vapour pressures of pure liquids A, B and C are 75, 22 and 10 torr, respectively. Which of the following is/are possible value(s) of vapour pressure of binary or ternary solutions having equimolar

Question

The vapour pressures of pure liquids A, B and C are 75, 22 and 10 torr, respectively. Which of the following is/are possible value(s) of vapour pressure of binary or ternary solutions having equimolar amounts of these liquids? Assume ideal behaviour for all possible solutions.

Prashant Kotian · Accepted Answer

Correct answer: B,C,D. A+B: P = 48.5 torr; B+C: P = 16.0 torr; A+C: P = 42.5 torr; A+B+C: P = (75+22+10)/3 = 35.67 torr. Options (b), (c), (d) are valid; (a) 53.5 is not.

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