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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.

pKa1=2.16 pKa2=7.21 pKa3=12.32

[H3PO4] M=?

[H2PO4^-] M=?

[HPO4^2-] M=?

[PO4^3-] M=?

[H+] M=?

[OH^-] M=?

pH=?

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