| acetic | 
CH3CO2H | 
1.8 [latex]×[/latex] 10−5 | 
  | 
| arsenic | 
H3AsO4 | 
5.5 [latex]×[/latex] 10−3 | 
  | 
  | 
1.7 [latex]×[/latex] 10−7 | 
  | 
3.0 [latex]×[/latex] 10−12 | 
| arsenous | 
H3AsO3 | 
5.1 [latex]×[/latex] 10−10 | 
  | 
| boric | 
H3BO3 | 
5.4 [latex]×[/latex] 10−10 | 
  | 
| carbonic | 
H2CO3 | 
4.3 [latex]×[/latex] 10−7 | 
  | 
  | 
4.7 [latex]×[/latex] 10−11 | 
| cyanic | 
HCNO | 
2 [latex]×[/latex] 10−4 | 
  | 
| formic | 
HCO2H | 
1.8 [latex]×[/latex] 10−4 | 
  | 
| hydrazoic | 
HN3 | 
2.5 [latex]×[/latex] 10−5 | 
  | 
| hydrocyanic | 
HCN | 
4.9 [latex]×[/latex] 10−10 | 
 | 
| hydrofluoric | 
HF | 
6.4 [latex]×[/latex] 10−4 | 
 | 
| hydrogen peroxide | 
H2O2 | 
2.4 [latex]×[/latex] 10−12 | 
  | 
| hydrogen selenide | 
H2Se | 
1.29 [latex]×[/latex] 10−4 | 
 | 
| HSe– | 
1 [latex]×[/latex] 10−12 | 
 | 
| hydrogen sulfate ion | 
  | 
1.2 [latex]×[/latex] 10−2 | 
  | 
| hydrogen sulfide | 
H2S | 
8.9 [latex]×[/latex] 10−8 | 
 | 
| HS– | 
1.0 [latex]×[/latex] 10−19 | 
 | 
| hydrogen telluride | 
H2Te | 
2.3 [latex]×[/latex] 10−3 | 
 | 
| HTe– | 
1.6 [latex]×[/latex] 10−11 | 
 | 
| hypobromous | 
HBrO | 
2.8 [latex]×[/latex] 10−9 | 
 | 
| hypochlorous | 
HClO | 
2.9 [latex]×[/latex] 10−8 | 
 | 
| nitrous | 
HNO2 | 
4.6 [latex]×[/latex] 10−4 | 
  | 
| oxalic | 
H2C2O4 | 
6.0 [latex]×[/latex] 10−2 | 
  | 
  | 
6.1 [latex]×[/latex] 10−5 | 
| phosphoric | 
H3PO4 | 
7.5 [latex]×[/latex] 10−3 | 
  | 
  | 
6.2 [latex]×[/latex] 10−8 | 
  | 
4.2 [latex]×[/latex] 10−13 | 
| phosphorous | 
H3PO3 | 
5 [latex]×[/latex] 10−2 | 
  | 
  | 
2.0 [latex]×[/latex] 10−7 | 
| sulfurous | 
H2SO3 | 
1.6 [latex]×[/latex] 10−2 | 
  | 
  | 
6.4 [latex]×[/latex] 10−8 |