Aluminum hydroxide reacts with hydrochloric acid to produce aluminum chloride and water with a stoichiometric ratio of 3:1.
Aluminum hydroxide [Al(OH)3] neutralizes excess hydrochloric acid in the stomach, forming water and aluminum chloride in a reaction. The balanced chemical equation for this reaction is 2Al(OH)3 + 6HCl → 2AlCl3 + 6H2O. The stoichiometric ratio between the number of HCl molecules and the number of H2O molecules made is 3:1.
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