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In a tank are 100 liters of brine containing 50 kg of dissolved salt. Pure water is allowed to run into the tank at the rate of 3 liters per minute. Brine runs out of the tank at the rate of 2 liters per minute. The instantaneous concentration in the tank is kept uniform by stirring. How much salt (in kg) is in the tank at the end of one hour?

In a tank are 100 liters of brine containing 50 kg of dissolved salt. Pure water is allowed to run into the tank at the rate of 3 liters per minute. Brine runs out of the tank at the rate of 2 liters per minute. The instantaneous concentration in the tank is kept uniform by stirring. How much salt (in kg) is in the tank at the end of one hour?

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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In a tank are 100 liters of brine containing 50 kg of dissolved salt. Pure water is allowed to run into the tank at the rate of 3 liters per minute. Brine runs out of the tank at the rate of 2 liters per minute. The instantaneous concentration in the tank is kept uniform by stirring. How much salt (in kg) is in the tank at the end of one hour?
Transcribed Image Text:In a tank are 100 liters of brine containing 50 kg of dissolved salt. Pure water is allowed to run into the tank at the rate of 3 liters per minute. Brine runs out of the tank at the rate of 2 liters per minute. The instantaneous concentration in the tank is kept uniform by stirring. How much salt (in kg) is in the tank at the end of one hour?
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