Ответ Автор - Cr0mvel 2MgO = 2Mg + O2Mg + H2SO4 = MgSO4 + H2MgSO4 + 2HNO3 = Mg(NO3)2 +H2SO4Mg(NO3)2 + 2NaOH = Mg(OH)2 + 2NaNO3Mg(OH)2 + 2NaCl = MgCl2 + 2NaOHMgCl2 = Mg + Cl2