A factory produces a wastewater stream containing 5 wt% Cr. A treatment unit capable of handling a maximum of 1000 kg/hr is used to extract 90% of the Cr entering the unit outputting a recovery stream of pure Cr. The liquid from the treatment unit is sent to a waste lagoon. One day the plant produces 1200 kg/hr of wastewater and the excess (over the treatment unit capactiy) is sent in a bypass stream and mixed with the liquid stream entering the lagoon. Find the composition and mass flow rate of the liquid stream entering the lagoon.
Please show your work and include all units and an explaination.