# Chapter 14 - Acids and Bases - Questions for Review and Thought - Topical Questions - Page 652a: 12b

$S{O_3}^{2-}(aq) + H_2O(l) \lt -- \gt HS{O_3}^-(aq) + OH^-(aq)$

#### Work Step by Step

- When acting like a base, the substance receives a proton from the other reactant, so, since we added the base to water, the reaction will occur with the water molecules.

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