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Final answer:The hydrogen sulfite ion (HSO3-) can act as an acid by donating a proton to water, forming sulfate and hydronium ions. As a base, it can accept a proton, resulting in hydrogensulfite and hydroxide ions.Explanation:The hydrogen sulfite ion (HSO3-) is amphiprotic, meaning it can act as both an acid and a base.Acid BehaviorAs an acid, it donates a proton (H+) to water:HSO3-(aq) + H2O(l) ⇒ SO32-(aq) + H3O+(aq)Base BehaviorAs a base, it accepts a proton from water:HSO3-(aq) + H2O(l) ⇒ H2SO3(aq) + OH-(aq)...