Soluble Ionic Compounds
contain these ions
NH4+
exceptions
none
group I cations:
Li+
Na+
K+
Rb+
Cs+
Cl-
compounds with Ag+, Hg22+, and Pb2+
BrIFC2H3O2-
compounds with group 2 metal cations, Pb2+, and Fe3+
none
HCO3NO3-
Insoluble Ionic Compounds
ClO3SO42-
compounds with Ag+, Ba2+, Ca2+, Hg22+, Pb2+ and Sr2+
contain these ions
exceptions
CO32-
compounds with group 1 cations and NH4+
CrO42PO43S2OH-
compounds with group 1 cations and Ba2+