Summary:
- Many ionic compounds naturally contain water as part of the crystal lattice structure.
- Ionic compounds that contain a transition metal are often highly colored.
- It is common for the hydrated form of a compound to be of a different color than the anhydrous form, which has no water in its structure.
- A hydrate is a compound that has one or more water molecules bound to each formula unit.
- The name of the compound is cobalt(II) chloride hexahydrate and its formula is CoCl2•6H2O.