Environmental Sciences, asked by mysticalannie09, 2 days ago

A 100 mL sample of paper industry effluent
is digested in acidified dichromate solution
and by back titration it is found that
5 x 10-4 mol of dichromate has been
consumed in chemical oxidation. What is
COD (mgO,L-) of the sample?
A. 120
B. 620
C. 240
D. 310

Answers

Answered by pirshadebbarma545

1

Explanation:

what are the sources of water pollution

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