For an ideal solution of A and B, YA is the mole fraction of A in the vapour phase at equilibrium. W

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For an ideal solution of A and B, YA is the mole fraction of A in the vapour phase at equilibrium. Which of the following plot should be linear?

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$\frac{1}{P_{	ext{total}}} = \frac{Y_{A}}{P_{A}^{o}} + \frac{Y_{B}}{P_{B}^{o}} = \frac{Y_{A}}{P_{A}^{o}} + \frac{1 - Y_{A}}{P_{A}^{o}} = \frac{1}{P_{A}^{o}} + Y_{A}\left( \frac{1}{P_{A}^{o}} - \frac{1}{P_{B}^{o}} ight)$Hence, the graph of $\frac{1}{P_{	ext{total}}}vsY_{A}$is a straight line

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