Acids, Bases & Salts
4 terms
Degree of Hydrolysis
Acids, Bases & Salts
Dimensionless
The fraction of a salt's ions that have reacted with water at equilibrium.
h = √(Kh / c)
Degree of Ionisation
Acids, Bases & Salts
Dimensionless
The fraction of dissolved electrolyte molecules that have broken into ions at equilibrium.
α = ionised / total
Diprotic Acid
Acids, Bases & Salts
mol/L
An acid that can donate two protons per molecule.
H₂A ⇌ 2H⁺ + A²⁻
Double Salt
Acids, Bases & Salts
Dimensionless
A salt containing two different cations or anions that dissociates completely into all its constituent ions in solution.
e.g. K₂SO₄·Al₂(SO₄)₃·24H₂O