Anhydrous iron (III) chloride is prepared by:
Explain why :
(a) It is necessary to find out the ration of reactants required in the preparation of sodium sulphate,
(b) Fused calcium chloride is used in the preparation of FeCl3?
(c) Anhydrous FeCl3 cannot be prepared by heating hydrated Iron (III) chloride.
Anhydrous ferric chloride is prepared by: