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1. A storm sewer is carrying snow melt containing 1.200 g-L-1 of sodium chloride

ID: 1822442 • Letter: 1

Question

1. A storm sewer is carrying snow melt containing 1.200 g-L-1 of sodium chloride into a small stream. The stream has a naturally occurring sodium chloride concentration of 20 mg-L-1 . If the storm sewer flow rate is 2000 L-min-1 and the stream flow rate is 2.0 m3-s-1 what is the concentration of salt in the stream after the discharge point? Assume that the sewer flow and the stream flow are completely mixed, that the salt is a conservative substance (it does not react), and that the system is at steady state.

Explanation / Answer