Soluble vs. Insoluble

Salts containing Na⁺, K⁺, NH₄⁺

Soluble (No common exceptions)

Salts containing NO₃⁻, ClO₃⁻, ClO₄⁻, CH₃CO₂⁻

Soluble (No common exceptions)

Salts containing Cl⁻, Br⁻, I⁻ are generally…

Soluble

Insoluble exceptions for Cl⁻, Br⁻, I⁻ (Precipitates)

Ag⁺, Hg²⁺, Pb²⁺

Salts containing F⁻ are generally…

Soluble

Insoluble exceptions for F⁻ (Precipitates)

Mg²⁺, Ca²⁺, Sr²⁺, Ba²⁺, Pb²⁺

Salts containing SO₄²⁻ (Sulfates) are generally…

Soluble

Insoluble exceptions for SO₄²⁻ (Precipitates)

Ca²⁺, Sr²⁺, Ba²⁺, Pb²⁺, Ag⁺

Salts containing CO₃²⁻, PO₄³⁻, C₂O₄²⁻, CrO₄²⁻, S²⁻ are generally…

Insoluble

Soluble exceptions for CO₃²⁻, PO₄³⁻, C₂O₄²⁻, CrO₄²⁻, S²⁻

NH₄⁺, Group 1A, BaS

Salts containing OH⁻ (Hydroxides) are generally…

Insoluble

Soluble exceptions for OH⁻

Group 1A, Ba²⁺, Sr²⁺

Salts containing O²⁻ (Oxides) are generally…

Insoluble (No common soluble exceptions)