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  Home > JCE Print > Journal of Chemical Education > Issues > 2001  > May  >
In the Laboratory
Analysis of an Oxygen Bleach: A Redox Titration Lab
Christine L. Copper and Edward Koubek
Chemistry Department, United States Naval Academy, Annapolis, MD 21402
Cover
May 2001
Vol. 78 No. 5
p. 652
Abstract
An experiment is presented which allows students to balance an oxidation-reduction reaction equation and use the reaction to analyze a consumer product. The experiment calls for students to balance the reaction of H2O2 and MnO4- two different ways (one assuming that H2O2 is the oxygen source and a second assuming that MnO4- is the oxygen source). They then determine which of these balanced equations has the correct stoichiometry by titrating a standard H2O2 solution with KMnO4. Finally, they use the correct balanced equation to determine the mass percent of H2O2 in a commercially available, "environmentally friendly" oxygen bleach solution.
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*  Contents JCE2001p0652W.wpd (Word Perfect)
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*  Citation
 Copper, Christine L.; Koubek, Edward. J. Chem. Educ. 2001 78 652.
*  Keywords
 Laboratory Instruction; Quantitative Analysis; Redox Reactions; Stoichiometry
*  History
 Created:
Last Updated:		 March 22, 2001
August 31, 2005
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