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A well stirred storage vessel contains 10,000 kg of solution of a dilute methanol (wA = 0.05 mass fraction methanol). A constant flow of 500 kg/min of pure water is suddenly introduced in the tank and a constant rate of withdrawal of 500 kg/min of solution is started. Assuming that the densities of the solutions are the same and that the total contents of the tank remains constant at 10,000 kg of solution, calculate the time for the alcohol content to drop to 2.5 wt%

A well stirred storage vessel contains 10,000 kg of solution of a dilute methanol (wA = 0.05 mass fraction methanol). A constant flow of 500 kg/min of pure water is suddenly introduced in the tank and a constant rate of withdrawal of 500 kg/min of solution is started. Assuming that the densities of the solutions are the same and that the total contents of the tank remains constant at 10,000 kg of solution, calculate the time for the alcohol content to drop to 2.5 wt%

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 well stirred storage vessel contains 10,000 kg of solution of a dilute methanol (WA = 0.05 mass fraction methanol). A constant flow of 500 kg/min of pure water is suddenly introduced in the tank and a constant rate of withdrawal of 500 kg/min of solution is started. Assuming that the densities of the solutions are the same and that the total contents of the tank remains constant at 10,000 kg of solution, calculate the time for the alcohol content to drop to 2.5 wt%
Transcribed Image Text:A well stirred storage vessel contains 10,000 kg of solution of a dilute methanol (WA = 0.05 mass fraction methanol). A constant flow of 500 kg/min of pure water is suddenly introduced in the tank and a constant rate of withdrawal of 500 kg/min of solution is started. Assuming that the densities of the solutions are the same and that the total contents of the tank remains constant at 10,000 kg of solution, calculate the time for the alcohol content to drop to 2.5 wt%
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