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Carbonic acid, which is a weak acid, forms when rainwater and carbon dioxide in the air react with one another. When carbonic acid comes into contact with limestone or calcium carbonate, it can cause it to dissolve over a long period of time. In nature, this reaction leads to the formation of caves.
Carbonic acid is a weak acid that is created when carbon dioxide (CO 2) is dissolved in water (H 2 O), resulting in the chemical formula H 2 CO 3. When the acid dissociates, or gives up a hydrogen ion, the resulting molecule is called a bicarbonate ion.Carbonic acid appears frequently in the natural world.It can be found in sodas, champagne, and blood. The acid even appears in rain. During the making of soda, carbon dioxide is dissolved in water.As stated, this process also creates carbonic acid. This acid, along with phosphoric acid and other acids, provides the tart taste in many sodas. It also provides a slight burning sensation that a person feels when ingesting a fizzy drink.hen the acid dissociates, or gives up a hydrogen ion, the resulting molecule is called a bicarbonate ion. Carbonic acid appears frequently in the natural world. It can be found in sodas, champagne, and blood. The acid even appears in rain. During the making of soda, carbon dioxide is dissolved in water.