Question

For the hypothetical first-order reaction A → products, k= 0.0839 s-1. If the initial concentration of A is 0.640 M, how long would it take for A to be 66.4% consumed?
A) 8.26 s
B) 13.0 s
C) 11.9 s
D) 18.6 s
E) 4.88 s

Answer

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