Question: The following temperature/composition data were obtained for a mixture of two liquids A and B at 1.00 atm, where x is the mole fraction in

The following temperature/composition data were obtained for a mixture of two liquids A and B at 1.00 atm, where x is the mole fraction in the liquid and Y the mole fraction in the vapour at equilibrium.
Ere 125 130 135 140 145 150
XA 0.91 0.65 0045 0.30 0.18 0.098
YA 0.99 0.91 0.77 0.61 0045 0.25
The boiling points are 124°e for A and 155°e for B. Plot the temperature composition diagram for the mixture. What is the composition of the vapour in equilibrium with the liquid of composition?
(a) xA = 0.50 and
(b) XB =0.33

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