A. Ka and pka for some acids Acid name Phosphoric acid Dihydrogen phosphate Carbonic acid Acetic acid formula H₂PO4 3 H₂PO H, CO, 2 3 Dack and CH₂COOH out Dissociation reaction H₂PO4 →→ H² + H₂PO н Ka 7.08x10 -3 6.31x106 pka 6.35 4.76

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