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Question

The second-order reaction, 2Mn(CO)5 → Mn2(CO)10 has a rate constant equal to 3.0 × 109 M-1s-1 at 25°C. If theinitial concentration of Mn(CO)5 is 1.0 × 10-5 M,how long will it take for 90.% of the reactant to disappear?