A 100 L mixing tank initially contains 50 L of brine solution with 16 g/L concentration. Brine solutions with a concentration of 9 g/L and 7 g/L are flowing into the tank at a rate of 4 L/min and 2 L/min, respectively. The solution inside the tank is kept well-stirred and is discharged at a rate of 5 L/min. Determine the a) concentration of brine inside the tank the moment it is full, and b) time it takes to achieve a concentration of 12 g/L.
A 100 L mixing tank initially contains 50 L of brine solution with 16 g/L concentration. Brine solutions with a concentration of 9 g/L and 7 g/L are flowing into the tank at a rate of 4 L/min and 2 L/min, respectively. The solution inside the tank is kept well-stirred and is discharged at a rate of 5 L/min. Determine the a) concentration of brine inside the tank the moment it is full, and b) time it takes to achieve a concentration of 12 g/L.
Advanced Engineering Mathematics
10th Edition
ISBN:9780470458365
Author:Erwin Kreyszig
Publisher:Erwin Kreyszig
Chapter2: Second-order Linear Odes
Section: Chapter Questions
Problem 1RQ
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A 100 L mixing tank initially contains 50 L of brine solution with 16 g/L concentration. Brine
solutions with a concentration of 9 g/L and 7 g/L are flowing into the tank at a rate of 4 L/min
and 2 L/min, respectively. The solution inside the tank is kept well-stirred and is discharged
at a rate of 5 L/min. Determine the a) concentration of brine inside the tank the moment it is
full, and b) time it takes to achieve a concentration of 12 g/L.
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