Reacting GeO2 with H2O forms the tetraprotic (four H+ ions) acid, H4GeO4.  On a piece of paper, write down the chemical equations for the four acid dissociation equilibria.  Match each chemical species below with its correct (hypothetical) pKa value. Group of answer choices H4GeO4              [ Choose ]             12.70             10.24             6.91             4.56            H3GeO4 -              [ Choose ]             12.70             10.24             6.91             4.56            H2GeO4 2-              [ Choose ]             12.70             10.24             6.91             4.56            HGeO4 3-              [ Choose ]             12.70             10.24             6.91             4.56

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