# Question: 1 a tank holds 5l of pure water a brine...

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1. A tank holds 5L of pure water. A brine solution with concentration 10 grams of salt per liter is poured into the tank at a rate of 2 L/min and kept well stirred. The mixture leaves the tank at a rate of 1 L/min. How much salt is in the tank at t = 10 minutes.