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# Determine the average rate of change of B from t=0 s to t=272 s. A---gt;2B Times (s) 0, 136, 272 Concentration of A (M) 0.780, 0.445, 0.

Determine the average rate of change of B from t=0 s to t=272 s. Times (s) 0, 136, 272Concentration of A (M) 0.780, 0.445, 0.110