Answer to Question #150780 in General Chemistry for Cj Tumambing

Question #150780

A BOD test is run using 100ml of treated wastewater mixed with 200 mL of pure water. The initial DO of the mix is 9 mg/L. After 5 days, the DO is 4 mg/L. What is the five day BOD of the wastewater?

Expert's answer

BOD = DO₀ - DO₁= 9-4=5 mg/L

Answer: 5 mg/L

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