Question: For the sewer system shown below, flow rates Q A and Q C are unknown. The concentration of dissolved solids in influent flow, Q A

For the sewer system shown below, flow rates QA and QC are unknown. The concentration of dissolved solids in influent flow, QAA, is 50mgL. An additional flow, QB=100Lmin, contains 200,000mgL of dissolved solids. After mixing, the exit flow, QC, is sampled and found to contain 1000mgL dissolved solids. What is the flow rate of wastewater to the sewer (QA)?
For the sewer system shown below, flow rates Q A

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