What Is the Chemical Formula for Aluminum Carbonate?


Quick Answer

The chemical formula for aluminum carbonate is Al2(CO3)3. This means that in every molecule of aluminum carbonate, there are two aluminum cations and three carbonate anions. A carbonate anion is made up of one carbon atom and three oxygen atoms.

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Full Answer

Aluminum carbonate has a molar mass of 233.99. This means that every mole of aluminum carbonate weighs 233.99 grams.

Aluminum carbonate is known to be an unstable compound and decays in the presence of water or water vapor to form aluminum hydroxide and carbon dioxide. This reaction was used by Aleksandr Loran to produce the foam in fire extinguishers in 1904.

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