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Table of Ka Values for Common Polyprotic Acids

Name
Formula
Ka1
Ka2
Ka3
Phosphoric acid
H3PO4
7.5 x 10-3
6.2 x 10-8
4.8 x 10-13
Citric acid
H3C6H5O7
8.4 x 10-4
1.8 x 10-5
4.0 x 10-6
Carbonic acid
H2CO3
4.3 x 10-7
5.6 x 10-11
Sulfuric acid
H2SO4
Large
1.2 x 10-2
Sulfurous acid
H2SO3
1.5 x 10-5
1.0 x 10-7
Hydrosulfuric acid
H2S
1.0 x 10-7
1.3 x 10-13
Ascorbic acid (Vitamin C)
H2C6H6O6
7.9 x 10-5
1.6 x 10-12
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Brewton-Parker College | Located on U.S. 280 at 201 David-Eliza Fountain Circle, P. O. Box 197, Mount Vernon, GA 30445
with a site in Newnan
912-583-2241, 1-800-342-1087
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The mission of Brewton-Parker College, a Georgia Baptist college, is to develop the whole student through the application of Biblically-centered truth to a liberal arts curriculum in a community of shared Christian values.
 
Brewton-Parker College is accredited by the Commission on Colleges of the Southern Association of Colleges and Schools to award associate and baccalaureate degrees. Contact the Commission on Colleges at 1866 Southern Lane, Decatur, Georgia 30033-4097 or call 404-679-4500 for questions about the accreditation of Brewton-Parker College.
 
Updated on: April 15, 2010 8:26 PM