Bicarbonate

Bicarbonate is an anion (a negatively-charged ion). Its chemical formula is HCO−3. A sample compound is sodium bicarbonate.

Properties

Bicarbonate is amphoteric: it is both an acid and a base. As an acid, it reacts with bases to make carbonate, and as a base, it reacts with acids to make carbonic acid, which usually disporportionates to water and carbon dioxide.[1]

When heated, it will react with itself as both acid and base: 2 NaHCO3 → Na2CO3 + H2O + CO2

References

  1. ↑ Skoog, Douglas A.; West, Donald M.; James Holler, F.; Crouch, Stanley R. (January 2013). Fundamentals of Analytical Chemistry. Cengage Learning. p. 370. ISBN 9781285607191.

Bicarbonate compounds

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