Two compounds A and B in when mixed form nearly ideal solutions. At ro – InterviewSolution

1.	Two compounds A and B in when mixed form nearly ideal solutions. At room temperature, P0A=40 mm Hg and P0B=120 mm Hg.A liquid mixture is composed of 1 mol of A and 3 mol of B. If the pressure over the mixture at room temperature is reduced. At what pressure does the first vapour form?
Answer» Two compounds A and B in when mixed form nearly ideal solutions. At room temperature, $P_{A}^{0} = 40 m m H g$ and $P_{B}^{0} = 120 m m H g$ . A liquid mixture is composed of $1 m o l$ of A and $3 m o l$ of B. If the pressure over the mixture at room temperature is reduced. At what pressure does the first vapour form?

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