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  Home > JCE Print > Journal of Chemical Education > Issues > 1996  > September  >
In The Laboratory
An n-Bottle Lab Exercise With No Hazardous Waste
Claire R. Olander
Appalachian State University, Boone, North Carolina 28608
Cover
September 1996
Vol. 73 No. 9
p. 849
Abstract
n-Bottle lab exercises are popular with both students and instructors. They rely on unique patterns of reaction between substances in aqueous solution. Such exercises test observation, measurement, and deductive reasoning skills of students while presenting the puzzle, "What's in the bottle?" Traditional n-bottle exercises include precipitation reactions of environmentally hazardous substances, thereby creating a waste disposal problem. The lab exercise described here uses substances whose waste can be easily treated and disposed in the trash. Different versions of the lab are presented which pose various levels of difficulty for students.
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*  Citation
 J. Chem. Educ. 1996 73 849.
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*  History
 Created:
Last Updated:		 September 21, 1999
February 21, 2006
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