Suppose you are studying the kinetics of the iodine$-$catalyzed decomposition of hydrogen peroxide.

$2H_2{O}_2$longrightarrow$2H_{2}O+O_2^{**}$

If you determine the initial rate is $7\mathrm{.}50{10}^{-4}\frac{M}{s}$ when $[H_2{O}_2]=0\mathrm{.}533M$ and $[KI]=0\mathrm{.}286M,$ what is the rate constant? Assume that the order of both reactants is $1.$

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