Common Polyatomic Ions and Solubility Equilibria

Ammonium

Ammonium

NH₄⁺

Acetate

CH₃COO⁻

Permanganate

MnO₄⁻

Nitrate

NO₃⁻

Nitrite

NO₂⁻

Perchlorate

ClO₄⁻

Chlorate

ClO₃⁻

Chlorite

ClO₂⁻

Hypochlorite

ClO⁻

Sulfate

SO₄²⁻

Sulfite

SO₃²⁻

Carbonate

CO₃²⁻

Bicarbonate (Hydrogen carbonate)

HCO₃⁻

Phosphate

PO₄³⁻

Chromate

CrO₄²⁻

Dichromate

Cr₂O₇²⁻

Oxalate

C₂O₄²⁻

Peroxide

O₂²⁻

Thiocyanate

SCN⁻

Thiosulfate

S₂O₃²⁻

Hydration

Ion broken off and surrounded by polar water molecules

Ksp

Solubility constant (equilibrium constant for soluble compound in soultion)

No

Are pure liquids and pure solids included in equilibrium constant calculations?

Kf

Formation constant for complex ions

Kf*Ksp=Keq

Formula to find equilibrium constant for solubility with complex ion formation