12.3 Exercise 20 — General Chemistry

The following data have been determined for the reaction:
$\text{I}^{−} + \text{OCl}^{−} \rightarrow \text{IO}^{−} + \text{Cl}^{−}$

	1	2	3
$\left[\text{I}^{−}\right]_{\text{initial}}$ (M)	0.10	0.20	0.30
$\left[\text{OCl}^{−}\right]_{\text{initial}}$ (M)	0.050	0.050	0.010
Rate (mol L⁻¹ s⁻¹)	3.05 $\times$ 10⁻⁴	6.20 $\times$ 10⁻⁴	1.83 $\times$ 10⁻⁴

Determine the rate law and the rate constant for this reaction.

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