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A 250 ml sample of river water was titrated with 000100 m

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Reference no: EM13383732

A 25.0 mL sample of river water was titrated with 0.00100 M Na2Cr2O7 and required11.5 mL to reach the end point. What is the COD, in mg O2 per litre of the sample?

Reference no: EM13383732

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