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4. Pure octane has a boiling point of 125.7 °C, but can be steam distilled with water at a tem- perature of 90 °C. Calculate the mass of octane that codistills with each gram of water and the percent composition of the vapor that is produced during the steam distillation. [Again, you'll need the vapor pressure of water at the steam distillation temp to solve this problem!] Note that if you multiply the second equation from question 3 above by the MW of both the oil and water, you get: mass oil/mass water = (P)(MW)/ (Pwater) (MW water)

4. Pure octane has a boiling point of 125.7 °C, but can be steam distilled with water at a tem- perature of 90 °C. Calculate the mass of octane that codistills with each gram of water and the percent composition of the vapor that is produced during the steam distillation. [Again, you'll need the vapor pressure of water at the steam distillation temp to solve this problem!] Note that if you multiply the second equation from question 3 above by the MW of both the oil and water, you get: mass oil/mass water = (P)(MW)/ (Pwater) (MW water)

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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4. Pure octane has a boiling point of 125.7 °C, but can be steam distilled with water at a tem- perature of 90 °C. Calculate the mass of octane that codistills with each gram of water and the percent composition of the vapor that is produced during the steam distillation. [Again, you'll need the vapor pressure of water at the steam distillation temp to solve this problem!] Note that if you multiply the second equation from question 3 above by the MW of both the oil and water, you get: mass oil/mass water = (P°) (MW)/ (Pwater) (MW water)
Transcribed Image Text:4. Pure octane has a boiling point of 125.7 °C, but can be steam distilled with water at a tem- perature of 90 °C. Calculate the mass of octane that codistills with each gram of water and the percent composition of the vapor that is produced during the steam distillation. [Again, you'll need the vapor pressure of water at the steam distillation temp to solve this problem!] Note that if you multiply the second equation from question 3 above by the MW of both the oil and water, you get: mass oil/mass water = (P°) (MW)/ (Pwater) (MW water)
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