Answer is: <span>ch3co2h; acetic acid. </span><span>An Arrhenius acid is a
substance that dissociates in water to form hydrogen ions or protons. </span>Acetic acid dissociate in aqueous solution to form hydrogen ions (H⁺) and acetic anion (CH₃COO⁻). <span>Balanced chemical reaction (dissociation): CH</span>₃COOH(aq) ⇄ CH₃COO⁻(aq) + H⁺(aq).