Q3 (20 points) The following temperature/composition data were obtained for a mixture of two liquids A and B at 1 atm, where x is the mole fraction in the liquid and y is the mole fraction in the vapour at equilibrium. T (°C) 110 120 130 140 ХА 0.73 0.43 0.25 0.10 YA 0.96 0.78 0.60 0.36 The boiling points are 105°C for A and 150°C for B. What is the composition of the vapour in equilibrium with the liquid of composition (a) Xa = 0.35 and (b) xâ = 0.25?

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