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Phosphoric acid, H 3 PO 4 ( aq ) , is a triprotic acid, meaning that...

Phosphoric acid, H 3 PO 4 ( aq ) , is a triprotic acid, meaning that one molecule of the acid has three acidic protons. Estimate the pH and the concentrations of all species in a 0.500 M phosphoric acid solution.

[ H 3 PO 4 ] =

[ H + ] =

[ H 2 PO − 4 ] =

[ OH − ] =

[ HPO 2 − 4 ] =

[ PO 3 − 4 ] =

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