Amphiprotic Species

• Can act as both acids and bases

  • H2O

    • H2O + H2O H3O+ + OH-
  • HCO3-

    • As an acid:

      • HCO3- + H2O H3O+ + CO32-
    • As a base: HCO3- + H2O H2CO3 + OH-

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