2. A tank contains 100 kg of salt and 1000 L of water. A solution of a concentration 0.05 kg of salt per liter enters a tank at the rate 10 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? (in kg/L)

(b) Find the amount of salt in the tank after 2.5 hours. (in kg)

(c) Find the concentration of salt in the solution in the tank as time approaches infinity. (in kg/L)

Answer rating: 100% (QA)

a The concentration of our solution initially 100kg1000L 01kgL b Let St be the amount of salt as ... View the full answer