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  Home > JCE Print > Journal of Chemical Education > Issues > 1996  > August  >
Laboratory Experiments
Determination of the Dissociation Constant for Monoprotic Acid by Simple pH Measurements
R. García-Doménech, J. V. de Julián-Ortiz, G. M. Antón-Fos, and J. Galvez Alvarez
Department of Physical Chemistry, Faculty of Pharmacy, University of Valencia, Spain
Cover
August 1996
Vol. 73 No. 8
p. 792
Abstract
The dissociation constant for a weak monoprotic acid may be calculated in aqueous alkaline solution by straightforward pH measurements, before and after the addition of the acid, and with the advantage of not having to standardize the solutions. The proposed experimental procedure is particularly interesting in the case of organic acids that are slightly soluble in water.

See Letter re: this article.
More Information
*  Citation
 García-Doménech, R.; de Julián-Ortiz, J. V.; Antón-Fos, G. M.; Alvarez, J. Galvez. J. Chem. Educ. 1996 73 792.
*  Keywords
*  History
 Created:
Last Updated:		 9/23/1999
5/22/2006
Link to Letter added (May 2004).
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