Answer to Question #203283 in Physical Chemistry for Joe

Question #203283

2. The following data are measure for a mixture of volatile liquid M and N at 1.013 bar. T(°C) 78 75 70 70 75 80 XM 0.00 0.04 0.21 0.86 0.96 1.00 Ум 0.00 0.18 0.42 0.66 0.83 1.00 (a) Estimate the azeotropic composition. (b) Estimate the mole fraction range of liquid M for which pure liquid M will obtained. Briefly explain your answer. (c) Estimate the amount of liquid N in both phases if 0.08 g of liquid M and 0.02 g of liquid N were mixed at 72 °C. (d) If the mixture of XM= 0.96 heated at 74 °C, what is the composition of liquid Mand N in the last drop of liquid and in first vapor appear. (e) If the mixture in part (c) were heated, which liquid will be the distillate and residue?

Expert's answer

a) 78(75) × 70 × 70 × 80


b) 22932/24762

= 0.87263

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