Solubility Rules + Salts

Phosphates (PO4 3-), Chromates (CrO4 2-), Dichromates (Cr2O7 2-), Carbonates (CO3 2-), Sulfites (SO3 2-)

All insoluble EXCEPT for those with alkali metals or ammonium.

Sulfides (S 2-)

Insoluble EXCEPT for those with alkali metals or ammonium, strontium, calcium, and barium.

Sulfates (SO4 2-)

Soluble except for those with barium, lead, calcium, strontium, silver, or mercury I.

Chlorides (Cl-), Bromides (Br-), and Iodides (I-)

Soluble except for those with lead, silver, or mercury I.

Chlorates (ClO3-) and Perchlorates (ClO4-)

All are soluble. 

Acetates (CH3COO-)

All are soluble.

Nitrates (NO3-)

All are soluble. 

Group 1 Alkali Metal Cations (Li+, Na+, K+, Cs+, Rb+) and the Ammonium Cation (NH4+)

All are soluble.

Ammonium Sulfide

Soluble Salt

Cesium Fluoride

Soluble Salt

Silver Bromide

Insoluble Salt

Manganese (VII) Sulfate

Soluble Salt

Lead (II) Iodide

Insoluble Salt

Silver Sulfate

Insoluble salt

Ammonium Sulfide

Soluble Salt

Beryllium Sulfate

Soluble Salt

Cesium Dichromate

Soluble Salt

Nickel (II) Iodide

Soluble Salt

Calcium Sulfide

Soluble Salt

Mercury (II) Chloride

Soluble Salt

Aluminum Phosphate

Insoluble Salt

Calcium Carbonate

Insoluble Salt

Lead (II) Sulfide

Insoluble Salt

Mercury (I) Perchlorate

Soluble Salt

Nitric Acid

Soluble Salt

Barium Sulfide

Soluble Salt

Zinc Phosphate

Insoluble Salt

Aluminum Perchlorate

Soluble Salt