### Explain arsenic acid h3aso4 is a triprotic acid

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Arsenic acid (H3AsO4) is a triprotic acid with a Ka1=5E-3 Ka2=8E-8 and Ka3=6E-10. calculate [H+], [OH-], [H3AsO4], [H2AsO4-][HAsO4 2-], and [AsO4 3-] in a 0.20 M arsenic acid solution.

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