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  Home > JCE Print > Journal of Chemical Education > Issues > 2003  > May  >
In the Laboratory
Titrimetric Determination of Carbon Dioxide in a Heterogeneous Sample ("Pop Rocks")
Craig M. Davis and Matthew C. Mauck
Department of Chemistry, Xavier University, Cincinnati, OH 45207-4221
Cover
May 2003
Vol. 80 No. 5
p. 552
Abstract
A traditional exercise in quantitative analysis is the titration of mixtures of sodium hydroxide, sodium carbonate, and sodium bicarbonate. Often, consumer products are studied. A procedure to analyze the total volume of carbon dioxide bubbles in the candy "Pop Rocks" is presented. The popularity of the sample and the simplicity of the procedure make this exercise suitable for a wide variety of students: from non-science majors to chemistry majors in a quantitative analysis course.
Supplement
Instructions for the students and notes for the instructor are available.
*  Contents JCE2003p0552W.rtf (Rich Text Format)
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*  Citation
 Davis, Craig M.; Mauck, Matthew C. J. Chem. Educ. 2003 80 552.
*  Keywords
 Acid-Base Chemistry; Laboratory Instruction; Quantitative Analysis; General Chemistry; Aqueous Solution Chemistry; Consumer Chemistry; Introductory / High School Chemistry; Analytical Chemistry; Titration / Titrimetry
*  History
 Created:
Last Updated:		 March 28, 2003
February 28, 2005
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