Vapor–liquid equilibrium data for mixtures of water and isopropanol at 1 atm are given below. (a) prepare t–x–y and x–y diagrams. (b) when a solution containing 40 mol% isopropanol is slowly vaporized, what is the composition of the initial vapor? (c) if the mixture in part (b) is heated until 75 mol% is vaporized, what are the compositions of the equilibrium vapor and liquid? (d) calculate k-values and values of α at 80∘c and 89∘c. (e) compare your answers in parts (a), (b), and (c) to those obtained from t–x–y and x–y diagrams based on the following vapor pressure data and raoult’s and dalton’s laws. what do you conclude?