A Certain Reaction A $\rarr$ Products Is Second Order with Respect to a with a Respect

question 24

Multiple Choice

A certain reaction A $\rarr$ products is second order with respect to A with a rate constant, k, 0.122 M^-1min^-1. Starting with [A]_o = 1.01M, how many seconds will it take for A to reach a concentration of 0.750M

• A) 2.81 s
• B) 14.9 s
• C) 893 s
• D) 169 s
• E) 128 s

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