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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 friom 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 capacity) 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 include all units and show all of your work.