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| Salt or counterion | Concn (μM) | krxn,FFA (M–1 s–1) |
|---|---|---|
| NaCl | 75 | 9.73 × 107 |
| NaI | 75 | 1.04 × 108a |
| Na2SO4 | 75 | 9.78 × 107 |
| NaBr | 75 | 9.73 × 107 |
| SO42– | 37.5 | 9.78 × 107 |
| SO42– | 100 | 9.78 × 107 |
| I– | 50 | 1.04 × 108a |
| I– | 75 | 1.04 × 108a |
| I– | 100 | 1.04 × 108a |
Default used in the absence of known values.
