Chem Exam Solubility

Soluble Ionic compounds

• NaCl

• KNO3

• NH4Br

Insoluble ionic compounds

• Fe2O3

• PbS

• BaCO3

Soluble Halogens (unless bonded to Ag+, Pb2+, or Hg2+)

• F-

• Br-

• I-

• Cl-

ex:

• KF

• ZnCl2

• FeBr2

• CuI

Insoluble halogen compounds

• AgF

• AgCl

• PbBr2

• PbI2

Compounds containing these ions are nearly always soluble

• Li+

• K+

• Na+

• NH4+

• NO3-

• ClO3-

• ClO4-

• C2H3O2-

compounds containing these ions are usually soluble

• Cl-

• Br-

• I-

• (SO4)2-