Correct the natural-exponential rate to25°C:k25=0.22×1.05⁵≈0.28078/day. BOD exerted after5 days is L₀[1−exp(−k25×5)]. Thus300[1−exp(−1.40391)]≈226.31 mg/L. The ultimate demand remains300;temperature changes the rate at which it is exerted.
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