Solubility Table
Ion
Solubility
Exceptions
NO3–
soluble
none
ClO4–
soluble
none
Cl–
soluble
except Ag+, Hg22+,
*Pb2+
I–
soluble
except Ag+, Hg22+,
*Pb2+
SO42-
soluble
except Ca2+, Ba2+, Sr2+,
Hg2+, Pb2+, Ag+
CO32-
insoluble
except Group IA and NH4+
PO43-
insoluble
except Group IA and NH4+
OH–
insoluble
except Group IA, *Ca2+, Ba2+,
Sr2+
S2-
insoluble
except Group IA, IIA and NH4+
Na+
soluble
none
K+
soluble
none
NH4+
soluble
none