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A solution of benzene + toluene is in equilibrium with its vapor at a temperature of 20°C. The measurement of the total pressure of the vapor over the solution reveals a value of 50 mmHg. Calculate the mole fraction of benzene in the liquid phase; A distillation operation (very common in chemical industries and, especially, in pharmaceuticals) is carried out with the solution of the statement above in order to obtain another solution more enriched in benzene. For this, the entire vapor phase in equilibrium with the benzene + toluene solution is recovered, condensed and transferred to another container. Make the pertinent calculations and tell if the distilled liquid is actually richer (or not) in benzene than the solution in the statement. Develop all calculations in detail and explain your reasoning. Data: Vapor pressure of pure benzene: 74.7 mmHg (at 20 °C) Vapor pressure of pure toluene: 22.3 mmHg (at 20 °C)

A solution of benzene + toluene is in equilibrium with its vapor at a temperature of 20°C. The measurement of the total pressure of the vapor over the solution reveals a value of 50 mmHg. Calculate the mole fraction of benzene in the liquid phase; A distillation operation (very common in chemical industries and, especially, in pharmaceuticals) is carried out with the solution of the statement above in order to obtain another solution more enriched in benzene. For this, the entire vapor phase in equilibrium with the benzene + toluene solution is recovered, condensed and transferred to another container. Make the pertinent calculations and tell if the distilled liquid is actually richer (or not) in benzene than the solution in the statement. Develop all calculations in detail and explain your reasoning. Data: Vapor pressure of pure benzene: 74.7 mmHg (at 20 °C) Vapor pressure of pure toluene: 22.3 mmHg (at 20 °C)

Introduction to Chemical Engineering Thermodynamics
Introduction to Chemical Engineering Thermodynamics
8th Edition
ISBN:9781259696527
Author:J.M. Smith Termodinamica en ingenieria quimica, Hendrick C Van Ness, Michael Abbott, Mark Swihart
Publisher:J.M. Smith Termodinamica en ingenieria quimica, Hendrick C Van Ness, Michael Abbott, Mark Swihart
Chapter1: Introduction
Section: Chapter Questions
Problem 1.1P
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A solution of benzene + toluene is in equilibrium with its vapor at a temperature of 20°C. The measurement of the total pressure of the vapor over the solution reveals a value of 50 mmHg. Calculate the mole fraction of benzene in the liquid phase; A distillation operation (very common in chemical industries and, especially, in pharmaceuticals) is carried out with the solution of the statement above in order to obtain another solution more enriched in benzene. For this, the entire vapor phase in equilibrium with the benzene + toluene solution is recovered, condensed and transferred to another container. Make the pertinent calculations and tell if the distilled liquid is actually richer (or not) in benzene than the solution in the statement. Develop all calculations in detail and explain your reasoning. Data: Vapor pressure of pure benzene: 74.7 mmHg (at 20 °C) Vapor pressure of pure toluene: 22.3 mmHg (at 20 °C)
Transcribed Image Text:A solution of benzene + toluene is in equilibrium with its vapor at a temperature of 20°C. The measurement of the total pressure of the vapor over the solution reveals a value of 50 mmHg. Calculate the mole fraction of benzene in the liquid phase; A distillation operation (very common in chemical industries and, especially, in pharmaceuticals) is carried out with the solution of the statement above in order to obtain another solution more enriched in benzene. For this, the entire vapor phase in equilibrium with the benzene + toluene solution is recovered, condensed and transferred to another container. Make the pertinent calculations and tell if the distilled liquid is actually richer (or not) in benzene than the solution in the statement. Develop all calculations in detail and explain your reasoning. Data: Vapor pressure of pure benzene: 74.7 mmHg (at 20 °C) Vapor pressure of pure toluene: 22.3 mmHg (at 20 °C)
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