Question: In a given BOD test in the standard 3 0 0 mL BOD jar, initial DO was 1 0 mg / L and final DO

In a given BOD test in the standard 300mL BOD jar, initial DO was 10 mg/L and final DO was measured as 2.5 mg/L. If the jar composition was 100 mL of sample and 200 mL of DI water, what is the dilution factor in this test?

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