Species Soluble (aq) Insoluble (s)
Li+, Na+, K+, NH4+, NO3-, C2H3O2- ALL NONE
Cl-, Br-, I- ALL EXCEPT » AgCl, AgBr, AgI, Hg2Cl2, Hg2Br2, Hg2I2, PbCl2, PbBr2, PbI2
SO4-2 ALL EXCEPT » SrSO4, BaSO4 PbSO4, CaSO4
OH-, S-2 When paired with: Li+, Na+, K+, NH4+, Ca+2, Sr+2, Ba+2 «ALL EXCEPT
CO3-2, PO4-3, + most others When paired with: Li+, Na+, K+, NH4+ «ALL EXCEPT