Константы кислотности KK
(водный раствор, 25 °С)
Сопряженная пара:
Кислота/Основание |
Константа кислотности
KK |
| Ag+ . H2O/AgOH | 1,02 . 10−12 |
| Al3+ . H2O/AlOH2+ | 9,55 . 10−6 |
| B(OH)3. H2O/B4O72− | 7,85 . 10−7 |
| B(OH)3. H2O/[B(OH)4]− | 5,75 . 10−10 |
| Be2+ . H2O/BeOH+ | 2,00 . 10−6 |
| CH3COOH/CH3COO− | 1,74 . 10−5 |
| Cd2+ . H2O/CdOH+ | 2,40 . 10−8 |
| Co2+ . H2O/CoOH+ | 1,26 . 10−9 |
| Cr3+ . H2O/CrOH2+ | 1,12 . 10−4 |
| Cu2+ . H2O/CuOH+ | 4,57 . 10−8 |
| Fe2+ . H2O/FeOH+ | 1,82 . 10−7 |
| Fe3+ . H2O/FeOH2+ | 6,76 . 10−3 |
| HBrO/BrO− | 2,06 . 10−9 |
| HBrO3/BrO3− | 2,00 . 10−1 |
| HCN/CN− | 4,93 . 10−10 |
| HCO3−/CO32− | 4,68 . 10−11 |
| H2CO3/HCO3− | 4,27 . 10−7 |
| H2C2O4/HC2O4− | 6,46 . 10−2 |
| HCOOH/HCOO− | 1,78 . 10−4 |
| HClO/ClO− | 2,82 . 10−8 |
| HClO2/ClO2− | 1,07 . 10−2 |
| HF/F− | 6,67 . 10−4 |
| H2F2/HF2− | 2,63 . 10−3 |
| HIO3/IO3− | 1,69 . 10−1 |
| HN3/N3− | 1,90 . 10−5 |
| HNO2/NO2− | 5,13 . 10−4 |
| H2O2/HO2− | 2,38 . 10−12 |
| HPO42−/PO43− | 4,57 . 10−13 |
| H2PO4−/HPO42− | 6,17 . 10−8 |
| H3PO4/H2PO4− | 7,24 . 10−3 |
| H(PH2O2)/PH2O2− | 7,94 . 10−2 |
| H2(PHO3)/H(PHO3)− | 1,00 . 10−2 |
| HS−/S2− | 1,23 . 10−13 |
| H2S/HS− | 1,05 . 10−7 |
| HSO3−/SO32− | 6,31 . 10−8 |
| HSe−/Se2− | 1,00 . 10−11 |
| H2Se/HSe− | 1,55 . 10−4 |
| HSeO3−/SeO32− | 4,79 . 10−9 |
| H2SeO3/HSeO3− | 2,45 . 10−3 |
| H4SiO4/H3SiO4− | 1,58 . 10−10 |
| HTe−/Te2− | 6,76 . 10−13 |
| H2Te/HTe− | 2,29 . 10−3 |
| Hg2+ . H2O/HgOH+ | 2,63 . 10−4 |
| Mg2+ . H2O/MgOH+ | 3,80 . 10−12 |
| Mn2+ . H2O/MnOH+ | 2,57 . 10−11 |
| NH4+/NH3 . H2O | 5,75 . 10−10 |
| N2H5+/N2H4 . H2O | 5,89 . 10−9 |
| NH3OH+/NH2OH . H2O | 9,35 . 10−7 |
| Ni2+ . H2O/NiOH+ | 1,20 . 10−11 |
| Pb2+ . H2O/PbOH+ | 7,08 . 10−7 |
| SO2 . H2O/HSO3− | 1,66 . 10−2 |
| Sn2+ . H2O/SnOH+ | 7,94 . 10−3 |
| Zn2+ . H2O/ZnOH+ | 2,04 . 10−8 |
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