## Chemistry: Molecular Approach (4th Edition)

A hydronium ion is the result of the association of a $H^+$ ion with water molecules. It is commonly represented by the formula: $H_3O^+$. $H^+$ ions do not exist in solution by themselves because they always do this association with water molecules, resulting in hydronium ions.
A hydronium ion is the result of the association of a $H^+$ ion with water molecules. It is commonly represented by the formula: $H_3O^+$. $H^+$ ions do not exist in solution by themselves because they always do this association with water molecules, resulting in hydronium ions.