Tag: crystals

  • What is water of crystallisation?

    May 31st, 2007 Water of crystallisation is the term given to the molecules of water that are used to build up a crystal lattice in some ionic compounds. In copper(II) sulfate the blue crystals would be impossible without using water molecules to act as ’scaffolding’ within the structure CuSO4.5H2O. When this is heated the water…