What is the chemical oxygen demand in miligrams of sample

Reference no: EM13699342

Problem- A 25-mL sample of river water was titrated with 0.0010 M of K2CrO7 and required 8.3 mL to reach the end point. What is the chemical oxygen demand, in miligrams of 02 per liter, of the sample?

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Reference no: EM13699342

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