A.\(\rm{(NH_{4})_{2}SO_{4}}\)溶于水:\(\rm{(NH}\)\(\rm{4}\)\(\rm{)}\)\(\rm{2}\)\(\rm{SO}\)\(\rm{4}\)\(\rm{═2NH}\)\(\rm{4}\)\(\rm{+}\)\(\rm{+SO}\)\(\rm{4}\)\(\rm{2-}\) |
B.\(\rm{H_{3}PO_{4}}\)溶于水:\(\rm{{{H}_{3}}P{{O}_{4}}=3{{H}^{+}}+PO_{4}^{3-}}\) |
C.\(\rm{HF}\)溶于水:\(\rm{HF\rightleftharpoons {{H}^{+}}+{{F}^{-}}}\) |
D.\(\rm{NaHS}\)溶于水:\(\rm{NaHS=Na^{+}+HS^{-}}\),\(\rm{H{{S}^{-}}\rightleftharpoons {{H}^{+}}+{{S}^{2-}}}\) |