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March 5, 2015

Homework Help: chemistry

Posted by kabelo on Tuesday, February 15, 2011 at 1:23pm.

Phosphoric acid is a triprotic acid with pKa's of 2.14, 6.86, and 12.4.The ionic form that predominates at pH 3.2 is?choose the corect answer
(a) H3PO4
(b) H2PO4^-
(c) HPO4^2-
(d) PO4^3-

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