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Analysis of Hydrogen Peroxide - Student Laboratory Kit

by Flinn Scientific

Item #: AP6853

Price: $33.35

In the Analysis of Hydrogen Peroxide Oxidation and Reduction Laboratory Kit, students test the percent hydrogen peroxide in a common “drugstore” solution. The lab ties together oxidation-reduction concepts and knowledge of stoichiometry.

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How strong is your antiseptic? Hydrogen peroxide is a common drugstore chemical. As students look in the far reaches of their medicine cabinets at home, they are likely to find old bottles of hydrogen peroxide that have long since passed their prime. Since the amount of hydrogen peroxide in solution deteriorates over time, how can the real concentration be determined? Students analyze the percent hydrogen peroxide in a common “drugstore” solution using an oxidation–reduction titration with potassium permanganate. The stoichiometry of the balanced redox equation allows students to calculate the actual hydrogen peroxide concentration. A great experiment that ties together key concepts of oxidation–reduction and integrates prior knowledge of stoichiometry. Includes all the necessary chemicals, along with reproducible student handouts, detailed background information, and complete Teacher Notes with sample data and answers to all questions. Complete for 30 students working in pairs.