A tank contains 90 kg of salt and 2000 L of water. A solution of a concentration 0.0225 kg of salt per liter enters a tank at the rate 8 L/min. The solution is mixed and drains from the tank at the same rate. (a) What is the concentration of our solution in the tank initially? concentration - .045 (kg/L) (b) Find the equation for the amount of salt in the tank after t minutes. amount (t) - (kg) (c) Find the amount of salt in the tank after 3.5 hours. amount = (kg) (d) Find the concentration of salt in the solution in the tank as time approaches infinity. concentration -.0225 (kg/L)
A tank contains 90 kg of salt and 2000 L of water. A solution of a concentration 0.0225 kg of salt per liter enters a tank at the rate 8 L/min. The solution is mixed and drains from the tank at the same rate. (a) What is the concentration of our solution in the tank initially? concentration - .045 (kg/L) (b) Find the equation for the amount of salt in the tank after t minutes. amount (t) - (kg) (c) Find the amount of salt in the tank after 3.5 hours. amount = (kg) (d) Find the concentration of salt in the solution in the tank as time approaches infinity. concentration -.0225 (kg/L)
Introductory Chemistry: A Foundation
9th Edition
ISBN:9781337399425
Author:Steven S. Zumdahl, Donald J. DeCoste
Publisher:Steven S. Zumdahl, Donald J. DeCoste
Chapter15: Solutions
Section: Chapter Questions
Problem 27QAP
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