CH3COOH CH3CO2(-) 1.8E-5 4.75 Acetic NH4(+) NH3 5.6E-10 9.25 Ammonium ion C6H5NH3(+) C6H5NH2 2.3E-5 4.63 Anilinium ion HAsO4(2-) AsO4(3-) 3.0E-12 11.53 Arsenic (III) B(OH)3 B(OH)4(-) 7.2E-10 9.14 Boric C3H7COOH C3H7CO2(-) 1.5E-5 4.82 Butyric H2CO3 HCO3(-) 4.3E-7 6.37 Carbonic (I) HCO3(-) CO3(2-) 4.8E-11 10.32 Carbonic (II) (C2H5)2NH2(+) (C2H5)2NH 1.0E-11 10.99 Diethylammonium ion (CH3)2NH2(+) (CH3)2NH 1.9E-11 10.73 Dimethylammonium ion C2H5NH3(+) C2H5NH2 1.6E-11 10.81 Ethylammonium ion HCOOH HCO2(-) 1.8E-4 3.75 Formic NH2CH2COOH NH2CH2CO2(-) 1.7E-10 9.78 Glycinium ion NH2NH3(+) NH2NH2 5.9E-9 8.23 Hydrazinium ion HI I(-) 1.0E+11 -11 Hydriodic HBr Br(-) 1.0E+9 -9 Hydrobromic HCl Cl(-) 1.0E+7 -7 Hydrochloric HCN CN(-) 4.9E-10 9.31 Hydrocyanic HF F(-) 3.5E-4 3.45 Hydrofluoric H3O(+) H2O 1 0 Hydronium ion H2S HS(-) 9.1E-8 7.04 Hydrosulphuric (I) HS(-) S(2-) 1.1E-12 11.96 Hydrosulphuric (II) HBrO BrO(-) 2.0E-9 8.69 Hypobromous HClO ClO(-) 3.0E-8 7.53 Hypochlorous HIO IO(-) 2.3E-11 10.64 Hypoiodous CH3CH(OH)COOH CH3CH(OH)CO2(-) 1.4E-4 3.86 Lactic CH3NH3(+) CH3NH2 2.2E-11 10.66 Methylammonium ion (COOH)2 HOOCCO2(-) 5.9E-2 1.23 Oxalic (I) HOOCCO2(-) (CO2)2(2-) 6.5E-5 4.19 Oxalic (II) HClO4 ClO4(-) 1.0E+10 -10 Perchloric C6H5OH C6H5O(-) 1.3E-10 9.89 Phenol H3PO4 H2PO4(-) 7.5E-3 2.12 Phosphoric (I) H2PO4(-) HPO4(2-) 6.2E-8 7.21 Phosphoric (II) HPO4(2-) PO4(3-) 2.2E-13 12.67 Phosphoric (III) C2H5COOH C2H5CO2(-) 1.4E-5 4.87 Propionic HC5H5N(+) C5H5N 5.6E-6 5.25 Pyridinium ion H2SO4 HSO4(-) 1.0E+2 -2 Sulphuric (I) HSO4(-) SO4(2-) 1.2E-2 1.92 Sulphuric (II) H2SO3 HSO3(-) 1.5E-2 1.81 Sulphurous (C2H5)3NH(+) (C2H5)3N 1.7E-11 10.76 Triethylammonium ion (CH3)3NH(+) (CH3)3N 1.6E-10 9.81 Trimethylammonium ion