Acids and bases
The seven strong acids, the strong bases, and the weak acids a course uses, with their Ka at 25 °C.
Strong acids
| HCl | hydrochloric acid | dissociates completely | Compute a pH → |
|---|---|---|---|
| HBr | hydrobromic acid | dissociates completely | Compute a pH → |
| HI | hydroiodic acid | dissociates completely | Compute a pH → |
| HNO₃ | nitric acid | dissociates completely | Compute a pH → |
| H₂SO₄ | sulfuric acid | dissociates completely | Compute a pH → |
| HClO₄ | perchloric acid | dissociates completely | Compute a pH → |
| HClO₃ | chloric acid | dissociates completely | Compute a pH → |
Weak acids
| HF | hydrofluoric acid | Ka 6.8e-4 | Compute a pH → |
|---|---|---|---|
| HNO₂ | nitrous acid | Ka 4.5e-4 | Compute a pH → |
| HCOOH | formic acid | Ka 1.8e-4 | Compute a pH → |
| CH₃COOH | acetic acid | Ka 1.8e-5 | Compute a pH → |
| H₂CO₃ | carbonic acid | Ka 4.3e-7 | Compute a pH → |
| HClO | hypochlorous acid | Ka 3.0e-8 | Compute a pH → |
| HCN | hydrocyanic acid | Ka 6.2e-10 | Compute a pH → |
Strong bases
| LiOH | lithium hydroxide | dissociates completely | Compute a pH → |
|---|---|---|---|
| NaOH | sodium hydroxide | dissociates completely | Compute a pH → |
| KOH | potassium hydroxide | dissociates completely | Compute a pH → |
| Ca(OH)₂ | calcium hydroxide | dissociates completely | Compute a pH → |
| Sr(OH)₂ | strontium hydroxide | dissociates completely | Compute a pH → |
| Ba(OH)₂ | barium hydroxide | dissociates completely | Compute a pH → |
Weak bases
| NH₃ | ammonia | Ka 5.6e-10 | Compute a pH → |
|---|
These tables are entered by hand rather than ingested from a source, unlike the element and nuclide data elsewhere on this site. They are checked for internal consistency against the sourced data at every build, but they carry no citation of their own.