Final answer:
The formula for Copper(II) Sulfate Pentahydrate is CuSO₄·5H₂O, indicating the compound has five water molecules bound to each unit.
Step-by-step explanation:
The correct formula for Copper(II) Sulfate Pentahydrate is b) CuSO₄·5H₂O. This compound is a hydrate containing five water molecules associated with each formula unit of copper(II) sulfate.
The penta- prefix in the name indicates the presence of five water units. It's important to note that the hydrate name reflects the number of water molecules bound to the compound.