(1)NaAc [OH-]=[H+]+[HAc]]
(2)NaH2PO4 [OH-] + [HPO42-]+2[PO43-]=[H+]+ [H3PO4]
(3)NH4Ac [OH-]+[NH3]=[HAc]+[H+]
(4)NH4H2PO4 [OH-] + [HPO42-]+2[PO43-]+ [NH3] =[H+]+ [H3PO4]
(1)NaAc [OH-]=[H+]+[HAc]]
(2)NaH2PO4 [OH-] + [HPO42-]+2[PO43-]=[H+]+ [H3PO4]
(3)NH4Ac [OH-]+[NH3]=[HAc]+[H+]
(4)NH4H2PO4 [OH-] + [HPO42-]+2[PO43-]+ [NH3] =[H+]+ [H3PO4]