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Acids, Bases & Salts

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Acids, Bases & Salts

Degree of Hydrolysis

The fraction of a salt's ions that have reacted with water at equilibrium.

h = √(Kh / c) Dimensionless Acids, Bases & Salts

Degree of Ionisation

The fraction of dissolved electrolyte molecules that have broken into ions at equilibrium.

α = ionised / total Dimensionless Acids, Bases & Salts

Diprotic Acid

An acid that can donate two protons per molecule.

H₂A ⇌ 2H⁺ + A²⁻ mol/L Acids, Bases & Salts

Double Salt

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 Dimensionless