Arrhenius acid

An acid which dissolves in water with the formation of hydronium H₃0⁺ ions.

Example :

HNO₃ + H₂O = H₃O⁺ + NO₃^-

Within the framework of this definition, an acid-base reaction corresponds to the formation of water starting from the hydronium H₃O⁺ and hydroxyl OH^- ions.

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