## Chemistry: The Central Science (13th Edition)

$(i) = {IO_3}^-$ $(ii) = NH_3$
1. Write the equations, where the acids gives one $H^+$ to water: $(i) = HIO_3 + H_2O -> {IO_3}^- + H_3O^+$ $(ii) = {NH_4}^+ + H_2O -> NH_3 + H_3O^+$ Now we know that ${IO_3}^-$ and $NH_3$ are the conjugate bases.