posted by Reese on .
The rate constant for a certain reaction is k = 5.00×10−3 s-1 . If the initial reactant concentration was 0.950 M , what will the concentration be after 8.00 minutes?
The units of k are s^-1 which says that the reaction is first order. The integrated rate equation for a first order reaction is
ln([Ao]/[A]) = akt
I presume you assume a = 1 if it isn't given in the problem.
Don't forget to change minutes to seconds.
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