— Base dissociation constant
The base dissociation constant describes weak-base protonation, e.g. B + H₂O ⇌ BH+ + OH−. A larger K_b means a stronger weak base. For any conjugate acid–base pair, K_a · K_b = K_w (1.0×10⁻¹⁴ at 25 °C), so knowing one gives the other.
Used in
- Weak base pH
- Salt hydrolysis