Memorizing Solubility Rules

NO3 -1

soluble, no exceptions

ClO3 -1

soluble, no exceptions

ClO4 -1

soluble, no exceptions

C2H3O2 -1

soluble, no exceptions

Cl-, Br-, I-, SCN-

soluble, except Ag+, Pb 2+, Hg 2+

SO4 2-

soluble except Ag +, Pb 2+, Hg 2+, Ca 2+, Sr 2+, Ba 2+

Cr2O7 2-

soluble, no exceptions

MnO4-

soluble, no exceptions

OH-

insoluble, except Alkali metals, Ca 2+, Sr 2+, Ba 2+ (These 3 are moderately soluble)

CO3 2-

Insoluble except alkali metals and NH4+

PO4 3-

Insoluble except alkali metals and NH4+

SO3 2-

Insoluble except alkali metals and NH4+

CrO4 2-

Insoluble except alkali metals and NH4+

S 2-

insoluble except alkali metals, alkaline earth metals and NH4+