VLE data for Ethanol (1) - Benzene (2) at 101.325 kPa are provided below. X1 yi Temperature [mol/mol] [mol/mol (C) 0.000 0.000 80.13 0.060 0.252 72.35 0.120 0.340 69.60 0.240 0.405 67.88 0.340 0.430 67.50 0.460 0.460 67.39 0.520 0.465 67.44 0.640 0.501 67.83 0.780 0.580 69.30 0.900 0.726 72.54 1.000 1.000 78.31 Using the Margules model for the activity coefficient, please determine the constants, A12 and Az, for the model using the following four methods: (a) Extrapolation of In(yi) and In(y2) to infinite dilution; (b) Linearizing the data as GF/xx2RT); (c) Using only the azeotrope point (y1 = x1); and (d) Best overall fit based on the sum of square of the errors. VLE data for Ethanol (1) - Benzene (2) at 101.325 kPa are provided below. X1 yi Temperature [mol/mol] [mol/mol (C) 0.000 0.000 80.13 0.060 0.252 72.35 0.120 0.340 69.60 0.240 0.405 67.88 0.340 0.430 67.50 0.460 0.460 67.39 0.520 0.465 67.44 0.640 0.501 67.83 0.780 0.580 69.30 0.900 0.726 72.54 1.000 1.000 78.31 Using the Margules model for the activity coefficient, please determine the constants, A12 and Az, for the model using the following four methods: (a) Extrapolation of In(yi) and In(y2) to infinite dilution; (b) Linearizing the data as GF/xx2RT); (c) Using only the azeotrope point (y1 = x1); and (d) Best overall fit based on the sum of square of the errors