Solved: What is the cod of the wastewater sample in mgl please show, Chemistry

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What is the cod of the wastewater sample in mgl please show

In the COD measurement of a raw wastewater sample, initial K2Cr2O7 concentration added into the wastewater sample is 3.000 g/L. After the redox reaction has reached an equilibrium, the K2Cr2O7 concentration has been reduced to 1.824 g/L. Assuming in the redox reaction, the Cr in K2Cr2O7 is reduced to Cr3+. What is the COD of the wastewater sample in mg/L? Please show all work.

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Chemistry: What is the cod of the wastewater sample in mgl please show

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