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The gas phase reaction between hydrogen and iodine is proposed to occur as follows: step 1 fast: I ⇌ 2I step 2 slow: H2 + 2I → 2HI (4) Complete the rate law for the overall reaction that is consistent with this mechanism. (Use form k[A]^m[B]^n, where '1' is understood (so don't write it if it's a '1') for m, n etc. Rate = ____.