Usually copper(ii) sulfate has a hydrate form with 5 moles of water or copper (II) Sulfate pentahydrate or CuSO4.5H2O. To answer this, 100g of the hydrate is multiplied by the reciprocal of its molar mass then muliplied by the molar ratio of CuSO4 to CuSO4.5H2O. Then finally
