10.33. A 2000-liter tank initially contains 400 liters of pure water. Beginning at t = 0, an aqueous solution containing 1.00 g/L of potassium chloride flows into the tank at a rate of 8.00 L/s and an outlet stream simultaneously starts flowing at a rate of 4.00 L/s. The contents of the tank are perfectly mixed, and the densities of the feed stream and of the tank solution,
- Write a balance on total mass of the tank contents, convert it to an equation for dV/dt, and provide an initial condition. Then write a potassium chloride balance, show that it reduces to
and provide an initial condition. (Hint: You will need to use the mass balance expression in your derivation.)
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