химические цепочки:
1) Mg->MgO->MgSO4->MgCl2->Mg(OH)2
2)C->CO2-> H2CO3->Li2CO3->CaCO3
1)
1)2Mg+O2=2MgO
2)MgO + H2SO4 = MgSO4 + H20
3)MgSO4 + 2HCI = MgCI + H2SO4
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Answers & Comments
1)
1)2Mg+O2=2MgO
2)MgO + H2SO4 = MgSO4 + H20
3)MgSO4 + 2HCI = MgCI + H2SO4