A very weak acid formed in solution when carbon dioxide dissolves in water.
- Chemical formula: H2CO3.
- Finally, if ammonium carbonate is placed in water, the weak base ammonium carbonate and weak acid carbonic acid are produced.
- In limestone caves, the main source of this acidity is carbon dioxide dissolved to form weak carbonic acid in meteoric waters, although sulphuric acid may be important in thermal waters.
- Initially, the ammonia and carbon dioxide reacts with water to form the weak electrolytes, ammonium hydroxide and carbonic acid.
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Syllabification: car·bon·ic ac·id
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