Phosphoric acid, H3PO4(aq),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 0.400 M phosphoric acid solution. pKa1: 2.167 pKa2: 7.21 pKa3: 12.32

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Chapter17: Acid-base(proton Transfer) Reactions
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Phosphoric acid, H3PO4(aq),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 0.400 M phosphoric acid solution.

pKa1: 2.167

pKa2: 7.21

pKa3: 12.32

 

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