Identify two Brønsted base(s) in the reaction.\(\style{font-…

Identify two Brønsted base(s) in the reaction.\(\style{font-family:’Times New Roman’}{\style{font-size:15px}{{\mathrm{HIO}}_3(\mathrm{aq})\;+\;{\mathrm H}_2\mathrm O(\mathrm l)\;\rightleftharpoons\;{\mathrm H}_3\mathrm O^+(\mathrm{aq})\;+\;\mathrm{IO}^{3–}(\mathrm{aq})}}\)