Acid Name Acid K. Base Base Name Perchloric acid HCIO, Large Co Vary small Perchicrate ion Suifuric acid Large HSO, Very small Hydrogen sulfate ion Hydrochloric acie HC Large Very small Chioride ion Nitre acid HNO, Large NO, Very small Nitrate ion 1.0 x 10- Water 8.3 x 10- Hydrogan suifte ion 8.3x 10- Sulfate ian 1.3 x 10 Diydrogen phosphate lon Hydronium ion H,0 1.0 H,0 H,SO, HSO Sufurous acid 1.2 x 10- HSo, 1.2 x 10- 50, 7.5 x 10 HPO. Hydrogen sullate ion Phosphoric acid H.PO. Hexaaquairenci) ion IFECH,0P 63 x 10 IFeCH,OOHF 1.6 x 10 Pentanquahycroxoiron(im ion Hydrofuenic acid 7.2 x 104 F- 14x 10- Fluoride ion HF Nitrous acid HNO, 4.5 × 10-4 NO, 2.2 x 10- Ntrite ion 5.6x 10- Formate ion 1.6 x 10- Benzcate ion Famic acid HCOH 1.8 x 104 HOo, 6.3 x 10 CH.CO, 1.8 x 10 CH,CO, Benzokc acid CH.CO,H Acetic acid CH,CO,H 56 x 10 Acetate ion Propancie acid CH,CH,CD,H 1.3x 10 CH,CH,Co, 7.7x 10- Propanoate ion Houaquaaluminum ion LAIH,OLJ" 79× 10 LAIH,0,0OHE 1.3 x 10 Pentaaquahydroxoaluminum ion Carbenic acid HCO, 4.2 x 10-7 HCO, 24 x 10 Hydrogen carbonato ion Hexaaquaccppe () ion ICU1,ONP 1.6 x 10- ICUC,O1,OH]* 6.3 x 10 Pentanquahydroxocopper) ion 1x 10 16 x 10? Hydrogan phosohate ion Hydrogen sulfide HiS 1x 10 HS Hydrogen sufde ien Dihyorogen phosphate ion HPO, 6.2 x 10 HPO HSO, 6.2 x 10 So, 1.6 x 10- 2.9 x 10- Hypochlorite ion Hydrogen sulfite ion Sulfite ion Hypochlorous acid HOIO 3.5 x 10 PL01,ONP 1.5 x 10-* IPE(1,01,OH]* 6.7x 10- Pentanquahydroxolead() ion ICo1OP 1.3 x 10 IColO)1OH) 7.7 x 1o Pentasquahydroxocobalt() ion BOHI,CH,O) 7.3 x 10 BIOHI, Hexaaqualeadi) ion HexaaquaccbaltiD ion Boric acid 1.4x 10 Tetrahydroacborate ion Ammonium ion NH 5.6 x 10- NH, 1.8x 10 Ammonia Hydrocyanic acid HCN 4.0 x 10- CN 2.5 x 10 Cyanide ion Hoaaquairon(10 ion Fel1,0P 3.2 x 10-19 IFECH,01,OH]* 3.1 x 10- Pentanquahydroxoiron(11) ion 2.1 x 10 Carbonale ian 4.8 x 10- co,- INCH,OUF 25 x 10 INCH,O,OHr 36 x 10 PO, Hydrogen carbonate ion HCO, Hecaaquanickek) ion 4.0 x 10 Pentaquahyororonickelki) ion Hydrogen phosphate lon HPO 28x 10 Phosphate ion Water H,0 1.0 x 10-4 OH 1.0 Hydrocide ion Hydrogen sulfide ion HS 1x 10- S- 1x 10 Sulfide ion Ethencl C,H,OH Very small C,H,0 Large Ethoide ian Ammonia NH Very snall NH Large Amide ion Hydrogen Ho Very small H. Large Hydride ion *The values of K for HS and far S are estimates udaas aseg Baseaou