101. Solving a chemistry problem

3. Write the formulas of micelles of the following sols:
a) sol of barium carbonate BaCO3, stabilized with barium chloride;
b) sol of lead sulfide stabilized with sodium sulfide;
c) sol of silver bromide stabilized with silver nitrate;
d) sol of iron hydroxide Fe(OH)3, stabilized by Fe(NO3)3;
e) sol of lead chloride PbCl2 stabilized with potassium chloride;
f) sol of barium sulfate BaSO4, stabilized with potassium sulfate