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1. Ethanol (1) and benzene (2) form azeotropic mixtures. a. From the limited data below, estimate A in the one-parameter Margules equation. Use all

1. Ethanol (1) and benzene (2) form azeotropic mixtures. a. From the limited data below, estimate A in the one-parameter Margules equation. Use all of the experimental data to give your best estimate. T = 45C X1 1 0 0.31 0.52 1 0.36 0.41 1 P(bar) 0.29 0.41 0.41 0.23 b. From your value, what are the bubble pressure and vapor compositions for a mixture with x1= 0.8?

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