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A 75 mL sample of water was placed in a 300 mL BOD bottle, and dilution water was added to fill the bottle. The initial DO concentration was 8.28 mg/L. The DO reading after 5 days was 4.56 mg/L and after 8 days was 3.59 mg/L.
Determine the reaction constant (k) - a trial-and-error solution needed Determine BODu