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A container filled with a 0.500 M solution of A and following first order reaction. The...

A container filled with a 0.500 M solution of A and following first order reaction. The concentration of C is found to be 0.210 M after 120 seconds. What is the instantaneous rate of the reaction at this time?

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Answer #1

change in concentration = 0.500 - 0.210 =0.290 M

time = 120 sec

instantaneous rate   = change in concentration /time

                                 = 0.290 / 120

                                 =2.42 x 10^-3 M / s

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