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Please answer only if you are 100% confident. The best answer will get an instant thumbs up Q11) Given a tank with a surface area

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Q11) Given a tank with a surface area of 280m2 and 1.5m deep, with an initial dissolved oxygen (DO) concentration of 1.2mg/L, a local saturation concentration of DO (i.e., Cs) of 8.6 mg/L, a KL value of 0.05m/h and a 20C operating temperature. How long will it take for the DO to reach 6.0mg/L

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