Iodine Clock Experiment (Clock Reactions A-Level IB Chemistry)

Outlining clock reactions and how they can be used to show how the concentration of reactants affects the rate of a reaction. The iodine clock (Harcourt-Esson) experiment using hydrogen peroxide, potassium iodide and sodium thiosulfate is shown, using experimental data to find the order of reaction with respect to iodide ions.
Recap: 00:32
Measuring Rates of Reaction: 01:08
Clock Reactions: 02:19
Iodine Clock Reaction: 04:01
Finding Order of Reaction: 07:41
Summary: 09:57
Pages on chemistrystudent.com:
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what is the order of reaction with respect to hydrogen ions, and why is it usually excluded from the rate law equation?

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