Mixtures of Non- Reacting Fluids
A 100-L container initially have 50 L of water with 100 g of soluble chemical. Pre-mixed solution containing 2 grams of the soluble chemical per liter is pumped in at a rate of 3 L/min. Well-stirred mixtures comes out at a rate of 1 L/min. What is the concentration, in grams per liter, of the chemical in water as it is filled?