Sell Copper Sulphate, this Salt exists as a series of compounds that differ in their degree of hydration. Anhydrous form is a green powder or white pale-grey, while the pentahidrat (CuSO4 · 5H2O), the most commonly encountered salt, is bright blue. Copper (II) sulfate water soluble exothermically to give the aquo complex [Cu (H2O) 6] 2 +, which features octahedral molecular geometry and paramagnetik. Another name for copper (II) sulfate are "blue vitriol" and
