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The Second-Order Reaction 2Mn(CO)5 → Mn2(CO)10 Has a Rate Constant

Question 82

Multiple Choice

The second-order reaction 2Mn(CO) 5 → Mn2(CO) 10 has a rate constant equal to 3.0 × 109 L mol-1 s-1 at 25 °C. If the initial concentration of Mn(CO) 5 is 2.0 × 10-5 mol L-1, how long will it take for 90.% of the reactant to disappear?


A) 6.7 × 10-16 s
B) 7.4 × 10-15 s
C) 1.5 × 10-4 s
D) 6.0 × 103 s

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