Solubilities of Salts in Water (at room temperature)

These are rules which are generally applicable, but not exhaustive. Salts of rare earth metals are excluded

Some salts listed as ‘soluble’ are only sparingly soluble

All Acetates are soluble except Beryllium

All Ammonium, Sodium and Potassium salts are soluble (except Potassium Perchlorate)

All Arsenates are insoluble except Ammonium, Sodium, Potassium

All Benzoates are soluble except Bismuth(III), Iron(III), Mercury(I)

All Bromides are soluble except Silver(I), Mercury(I)

All Carbonates are insoluble except Ammonium, Lithium, Sodium, Potassium, Rubidium, Caesium, Francium, Chromium(II)

All Chlorides are soluble except Silver(I), Chromium(III),Mercury(I)

All Chlorates are soluble

All Citrates are insoluble except Aluminium, Ammonium, Iron(III), Lead(II), Magnesium, Potassium, Sodium, Nickel(II)

All Cyanides are soluble except Chromiun(III), Cobalt(II), Copper(II), Iron(II,III), Mercury(I), Nickel(II), Silver(I), Zinc, Platinum(II)

All Fluorides are soluble except Strontium, Barium, Lead(II),Manganese(II),Magnesium, Calcium

All Formates are soluble

All Hydroxides are insoluble except Ammonium, Lithium, Sodium, Potassium, Rubidium, Caesium, Francium, Strontium, Barium, Calcium, Gold(I)

All Iodides are soluble except Bismuth(II), Silver(I), Mercury(I,II), Lead(II), Platinum(II), Gold, Copper(I)

All Nitrates are soluble

All Oxalates are insoluble except Ammonium, Chromium(III), Iron(III), Potassium, Sodium

All Oxides are insoluble except Ammonium, Lithium, Sodium, Potassium, Rubidium, Caesium, Francium

All Perchlorates are soluble except Potassium

All Phosphates are insoluble except Ammonium, Lithium, Sodium, Potassium, Rubidium, Caesium, Francium

All Silicates are insoluble except Sodium, Potassium, Barium

All Sulphates are soluble except Strontium, Barium, Lead(II), Antimony(III)

All Sulphides are insoluble except Ammonium, Lithium, Sodium, Potassium, Rubidium, Caesium, Francium, Beryllium, Magnesium, Calcium, Strontium, Barium, Radium

All Sulphites are insoluble except Ammonium, Lithium, Sodium, Potassium, Rubidium, Caesium, Francium

All Tartrates are insoluble except Ammonium, Antimony(III), Iron(III), Potassium, Sodium, Tin(II)