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March 1, 2015

Homework Help: chemistry

Posted by vivanh on Friday, May 13, 2011 at 7:31pm.

A 0.15M solution of weak triprotic acid is adjusted (base added) so that the pH is 9.27(you can assume minimal volume change). The triprotic acid(H3A) has the following acid ionization constants: Kal=1.0*e-3, ka2=1*e-8,ka3=1*e-12. which species given below is present in the highest concentration in this pH 9.27 solution?

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