Bicarbonate

Bicarbonate is an anion (a negatively-charged ion). Its chemical formula is . 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.

When heated, it will react with itself as both acid and base:

 References 

Related pages
Carbon
Oxygen
Carbonate

 Bicarbonate compounds 
 Sodium bicarbonate
 Potassium bicarbonate
 Calcium bicarbonate
 Ammonium bicarbonate
 Carbonic acid

Category:Carbon compounds
Category:Oxyanions
Category:Hydrogen compounds
Category:Amphoteric compounds