(NH_4)_2SO_4+Ba(OH)_2->BaSO_4+2NH_3+2H_2O
PT ion: 2NH_4^{+}+SO_4^{2-}+Ba^{2+}+2OH^{-}->BaSO_4+2NH_3+2H_2O
Rút gọn:
2NH_4^{+}+SO_4^{2-}+Ba^{2+}+2OH^{-}->BaSO_4+2NH_3+2H_2O
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NH_4Cl+NaOH->NaCl+NH_3+H_2O
PT ion:NH_4^{+}+Cl^{-}+Na^{+}+OH^{-}->Na^{+}+Cl^{-}+NH_3+H_2O
Rút gọn: NH_4^{+}+OH^{-}->NH_3+H_2O
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NH_4NO_3+KOH->KNO_3+NH_3+H_2O
PT ion: NH_4^{+}+NO_3^{-}+K^{+}+OH^{-}->K^{+}+NO_3^{-}+NH_3+H_2O
Rút gọn: NH_4^{+}+OH^{-}->NH_3+H_2O
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(NH_4)_2CO_3+Ca(OH)_2->CaCO_3+2NH_3+2H_2O
PT ion: 2NH_4^{+}+CO_3^{2-}+Ca^{2+}+2OH^{-}->CaCO_3+2NH_3+2H_2O
Rút gọn:
2NH_4^{+}+CO_3^{2-}+Ca^{2+}+2OH^{-}->CaCO_3+2NH_3+2H_2O