Consider a solution containing liquids A and B where the mole fraction of B is 0.60. Assuming ideality, calculate the mole fraction of A in the vapor at equilibrium with this solution at 25°C. (The vapor pressures of pure liquid A and B at 25°C are 187.9 torr and 400.0 torr, respectively.)
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0.24◦
313◦
0.41◦
2.13 × 10–3
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3.63 × 10–3