Question: Using the van Laar model and the data from problem 11.3, estimate the total pressure and composition of the vapor in equilibrium with a 20

Using the van Laar model and the data from problem 11.3, estimate the total pressure and composition of the vapor in equilibrium with a 20 mol% ethanol(1) solution in water(2) at 78.15°C.

Data from problem 11.3

After fitting the two-parameter Margules equation to the data below, generate a P-x-y diagram at 78.15 °C. Data at 78.15C: psat = 1.006 bar 1 psat = 0.439 bar = 1.6931; 2 = 1.9523

Data at 78.15C: psat = 1.006 bar 1 psat = 0.439 bar = 1.6931; 2 = 1.9523

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