Later on, data on the vapor-liquid equilibrium for mixtures of water and isopropanol at 1 atm (101.3 kPa, 760 torr). (a) Build up T-x-y and x-y diagrams. (b) When a solution containing 40 mol% isopropanol is slowly vaporized, what will be the composition of the initial vapor that is formed? (c) If this same 40% mixture is heated under equilibrium conditions until 75 mol% is vaporized, what will be the compositions of the vapor and liquid produced?

Vapor-liquid equilibrium data for mixtures of water and isopropanol at 1atm (101.3 kPa, 760 torr) are presented below. (a) Construct T-x-y and xy diagrams. (b) When a solution containing 40mol% isopropanol is slowly vaporized, what will be the composition of the initial vapor that is formed? (c) If this same 40% mixture is heated under equilibrium conditions until 75mol% is vaporized, what will be the compositions of the vapor and liquid produced? Equilibrium thermodynamic diagrams Notes: All compositions are in mole % of isopropanol Composition of the azeotrope: x=y=68.54% Boiling temperature of the azeotrope: 80.22 Boiling temperature of pure isopropanol: 82.5C