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Analysis of OxiClean: An Interesting Comparison of Percarbonate Stain Removers

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Jeffrey D. Bracken and David Tietz

Westerville North High School, Westerville, OH 43082-1000

J. Chem. Educ., 2005, 82 (5), p 762

DOI: 10.1021/ed082p762

Publication Date (Web): May 1, 2005

Section:

Surface Active Agents and Detergents

Abstract

Several different brands of oxygen-based multipurpose stain removers consist of simple mixtures of sodium percarbonate and sodium carbonate. A small sample of each brand of stain remover is decomposed and then analyzed. The observed difference in mass allows students to accurately determine the percentages of each component of the stain remover. A back-titration experiment and a precipitation reaction are performed to confirm the complete decomposition of the original mixture. This experiment provides an excellent example of how basic stoichiometry can be used to solve a real-world problem.

Keywords (Audience):

High School / Introductory Chemistry

Keywords (Domain):

Laboratory Instruction

Keywords (Subject):

Sodium

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This article has been cited by 1 ACS Journal articles (1 most recent appear below).

Oxalate Synthesis and Pyrolysis: A Colorful Introduction to Stoichiometry
Michael W. Vannatta and Michelle Richards-Babb, Robert J. Sweeney
Journal of Chemical Education2010 87 (11), 1225-1229
- Oxalate Synthesis and Pyrolysis: A Colorful Introduction to Stoichiometry
  Michael W. Vannatta and Michelle Richards-Babb, Robert J. Sweeney
  Journal of Chemical Education2010 87 (11), 1225-1229
  Metal oxalate synthesis and pyrolysis provides an opportunity for students to (i) learn stoichiometry, (ii) experience the consequences of proper stoichiometric calculations and experimental techniques, and (iii) be introduced to the relevance of ...
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Received: August 03, 2009

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Analysis of OxiClean: An Interesting Comparison of Percarbonate Stain Removers