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Buffer: Carbonic Acid

Buffer: Carbonic Acid. Carbonic acid: H 2 CO 3 A buffer is used to minimize pH changes. Reaction. If conditions become too basic, carbonic acid can donate a proton (H + ) H 2 CO 3 HCO 3 - + H + Carbonic acid Bicarbonate (H+ donor).

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Buffer: Carbonic Acid

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  1. Buffer: Carbonic Acid • Carbonic acid: H2CO3 • A buffer is used to minimize pH changes

  2. Reaction • If conditions become too basic, carbonic acid can donate a proton (H+) • H2CO3 HCO3- + H+ Carbonic acid Bicarbonate (H+ donor)

  3. If conditions become too acidic, bicarbonate can accept a proton: • H2CO3 HCO3- + H+

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