Solubility of Group 2 sulfates (Solubility of Group 2 sulfates decreases down the group; BaSO₄ is almost insoluble (used)

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Solubility of Group 2 sulfates decreases down the group; BaSO₄ is almost insoluble (used in tests).

What each symbol means

SymbolWhat it stands for
MAlkaline earth metal

When to use this

Lattice energy dominates for large cations with SO₄²⁻; BaSO₄ has very high lattice energy / low solvation.