Final answer:
Cobalt (II) chloride hexahydrate is the hydrated form of cobalt (II) chloride, with six water molecules per formula unit.
Step-by-step explanation:
The hydrated form of cobalt (II) chloride is called cobalt (II) chloride hexahydrate. Its formula is CoCl2 · 6H2O. The formula indicates that there are six water molecules per formula unit, indicated by the coefficient 6H2O. The water molecules are attached to the cobalt (II) chloride compound.