October 9, 2015

Homework Help: chem

Posted by Cab on Sunday, February 15, 2009 at 10:27pm.

Arsenic acid (H3AsO4) is a triprotic acid with Ka1 = 5 10-3, Ka2 = 8 10-8, and Ka3 = 6 10-10. Calculate [H+], [OH -], [H3AsO4], [H2AsO4-], [HAsO42-], and [AsO43-] in a 0.20 M arsenic acid solution.

i cant do this. i dont even know how to start.

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