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carbonic acid

carbonic acid, H 2CO 3, a weak dibasic acid (see acids and bases ) formed when carbon dioxide dissolves in water it exists only in solution. Carbonic acid forms carbonate and bicarbonate (or acid carbonate) salts (see carbonate ) by reaction with bases. It contributes to the sharp taste of carbonated beverages.

The Columbia Electronic Encyclopedia, 6th ed. Copyright © 2012, Columbia University Press. All rights reserved.

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