What does carbon dioxide form when it reacts with water?

1 Answer
Nam D. · Ernest Z.
Dec 29, 2017

It forms carbonic acid (#H_2CO_3#).

Explanation:

Water and carbon dioxide can react together to form carbonic acid (#H_2CO_3#), and carbonic acid can "decompose" back into water and carbon dioxide . This is the equation that models the reaction:

In words: Water + carbon dioxide ⇌ Carbonic acid

In chemical symbols: #H_2O + CO_2 ⇌ H_2CO_3#

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