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A brine solution of salt flows at a constant rate of 4 L/min into a large tank that initially contains 100 L of pure water. The solution in the tank is kept well stirred and flows out of a drain at the bottom of the tank at a constant rate of 2 L/min. If the concentration of salt in the brine entering the tank is 0.6 kg/L, determine the mass of salt in the tank after t min. When will the concentration of the salt in the tank reach 0.4 kg/L?

A brine solution of salt flows at a constant rate of 4 L/min into a large tank that initially contains 100 L of pure water. The solution in the tank is kept well stirred and flows out of a drain at the bottom of the tank at a constant rate of 2 L/min. If the concentration of salt in the brine entering the tank is 0.6 kg/L, determine the mass of salt in the tank after t min. When will the concentration of the salt in the tank reach 0.4 kg/L?

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 brine solution of salt flows at a constant rate of 4 L/min into a large tank that initially contains 100 L of pure water. The solution in the tank is kept well stirred and flows out of a drain at the bottom of the tank at a constant rate of 2 L/min. If the concentration of salt in the brine entering the tank is 0.6 kg/L, determine the mass of salt in the tank after t min. When will the concentration of the salt in the tank reach 0.4 kg/L?
Transcribed Image Text:A brine solution of salt flows at a constant rate of 4 L/min into a large tank that initially contains 100 L of pure water. The solution in the tank is kept well stirred and flows out of a drain at the bottom of the tank at a constant rate of 2 L/min. If the concentration of salt in the brine entering the tank is 0.6 kg/L, determine the mass of salt in the tank after t min. When will the concentration of the salt in the tank reach 0.4 kg/L?
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