Question: How do I do 2.1 (a) and (b) ? QUESTION 2 (20 marks) 2.1 For a 300 mg/L casein (C&H12O3N2) dairy wastewater sample: (a) Write

How do I do 2.1 (a) and (b) ?

QUESTION 2 (20 marks) 2.1 For a 300 mg/L casein (C&H12O3N2) dairy wastewater sample: (a) Write down balanced chemical equations for the complete decomposition of casein. (2 marks) (b) Determine the carbonaceous biochemical oxygen demand (CBOD) in mg O/L of sample. (2 marks) 2.1(b) CBOD = 417.39 mg/L 2.1(c) TKN =45.67 mg/L 22901 molt

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