Ланцюг Mg--MgSO4--Mg(OH)2--MgBr2--Mg(OH)Br--MgBr--Mg

Mg+ H2SO4= MgSo4 + H2MgSo4+ 2NaOH= Mg(OH)2 + Na2SO4Mg(Oh)2 + 2HBr = MgBr2 + 2H2OMgBr2 + NaOH= Mg(Oh)Br + NaBrMg()Oh_Br + HBr= MgBr2 + H2OMgBr2+ K = Mg + Kbr