What is Carbonate ion?

Answer:
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✏The fizz in the club soda, the foaming effect in the washing soda are all due to carbonate ions. Carbonate is a salt of carbonic acid possessing the molecular formula CO32–. The main group of elements used as carbonates are alkali and alkaline earth metals.
✏ [tex]CO3 ^{2 - } [/tex]
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