Phosphoric acid, H3PO4(aq), is a triprotic acid, meaning that one molecule of the acid has three...

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Phosphoric acid, H3PO4(aq), is a triprotic acid, meaning that one molecule of the acid has three...

Phosphoric acid, H3PO4(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 0.300 M phosphoric acid solution.

pK_a1	pK_a2	pK_a3
2.16	7.21	12.32

[H3PO4]= M [H^+]= M

[H2PO4 ^−]= M [OH^−]= M

[HPO4 ^2−]= M pH=

[PO4 ^3−]= M

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