SOLUBILITY RULES


COMPOUNDS CONTAINING THESE IONS ARE SOLUBLE IN H2O:

ACETATES, (CH3CO2)1-, EXCEPT THAT OF (Te)3+
ALKALI METAL (GROUP 1) COMPOUNDS EXCEPT LiF
AMMONIUM, (NH4)1+, COMPOUNDS
BROMIDES, (Br)1-, EXCEPT THOSE OF (Ag)+, (Hg2)2+, AND (Pb)2+
CHLORATES, (ClO3)1-
CHLORIDES,(Cl)1-, EXCEPT THOSE OF (Ag)1+, AND (Hg2)2+
IODIDES,(I)1-, EXCEPT THOSE OF (Ag)1+, (Hg2)2+, AND (Pb)2+
NITRATES, (NO3)1-
PERCHLORATES, (ClO4)1-
SULFATES, (SO4)2-, EXCEPT THOSE OF (Ca)2+, (Ba)2+, (Pb)2+, (Sr)2+, AND (Hg2)2+

COMPOUNDS CONTAINING THESE IONS ARE INSOLUBLE IN WATER

CARBONATES,(CO3)2-, EXCEPT THOSE OF GROUP 1 AND (NH4)1+
CHROMATES, (CrO4)2-, EXCEPT THOSE OF GROUP 1 AND (NH4)1+
HYDROXIDES, (OH)1-, EXCEPT THOSE OF GROUP 1, (Ca)2+, (Sr)2+, AND (Ba)2+
OXALATES, (C2O4)2-, EXCEPT THOSE OF GROUP 1 AND (NH4)1+
OXIDES , (O)2-, EXCEPT THOSE OF GROUP 1, (Ca)2+, (Sr)2+, AND (Ba)2+ (WHICH FORM HYDROXIDES)
PHOSPHATES, (PO4)3-, EXCEPT THOSE OF GROUP 1 AND (NH4)1+
SULFIDES, (S)2-, EXCEPT THOSE OF GROUP 1, GROUP 2, AND (NH4)1+
BE ABLE TO WRITE A CORRECT CHEMICAL FORMULA FOR EACH ONE OF THESE RULES PAYING PARTICULAR ATTENTION TO THE EXCEPTIONS.