Liquids A and B form an ideal solution in the entire composition range. At 350 K, the vaapor pressures of pure A and pure B are 7 $ \times $ 103 Pa and 12 $ \times $ 103 Pa, respectively . The composition of the vapor in equilibriumwith a solution containing 40 mole percent of A at this temperature is :

Question

Liquids A and B form an ideal solution in the entire composition range. At 350 K, the vaapor pressures of pure A and pure B are 7 $ \times $ 10³ Pa and 12 $ \times $ 10³ Pa, respectively . The composition of the vapor in equilibriumwith a solution containing 40 mole percent of A at this temperature is :

x_A = 0.76; x_B = 0.24

x_A = 0.28; x_B = 0.72

x_A = 0.4; x_B = 0.6

x_A = 0.37; x_B = 0.63

Solution

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