A tank contains initially 2500 liters of 50% solution. Water enters the tank at the rate of 25 iters per minute and the solution

Question

vampirchik

2 months ago

13

A tank contains initially 2500 liters of 50% solution. Water enters the tank at the rate of 25 iters per minute and the solution

flows out at the rate of 50 liters per minute. Find the percentage of salt after 20 minutes

Engineering

1 answer:

Kisachek [356] · Answer 1 · 2026-03-14T07:56:00+03:00

The solution's percentage is calculated to be 32.96%. Given there is initially a tank with a 50% solution, the total amount of solution is computed as 0.5 x 2500 = 1250 liters. If we denote the amount of solution at time t as A, we can proceed with the calculation. By integration, where C represents the constant, we observe that at t=0, A=1250. Therefore, at t=20 minutes, A=837.90. Thus, the percentage of solution after 20 minutes remains at 32.96%.