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Мg → МgО → МgСl2 → Мg (ОН) 2 → МgSО4;
Zn → ZnО → Zn (NО3) 2 → Zn (ОН) 2 → ZnСl
Мg → МgО → МgСl2 → Мg (ОН) 2 → МgSО4;
Zn → ZnО → Zn (NО3) 2 → Zn (ОН) 2 → ZnСl
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Answers & Comments
2Mg + O2 = 2MgO
MgO + 2HCl = MgCl2 + H2O
MgCl2 + 2KOH = Mg(OH) 2 + 2KCl
Mg(OH) 2 + H2SO4 = MgSO4 + 2H2O
2Zn + O2 = 2ZnO
ZnO + 2HNO3 = Zn(NO3)2 + H2O
Zn(NO3)2 + 2KOH = Zn(OH) 2 + 2KNO3
Zn(OH) 2 + 2HCl = ZnCl2 + 2H2O