Question

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Осуществите цепочку
KNo3->O2->H20->NaOH->Mg(OH)2->MgSO4->BaSO4

Answer 1

1)2KNO3=2KNO2+O2
2)O2+2H2=2H2O
3)H2O+Na2O=2NaOH
4)2NaOH+Mg(NO3)2=Mg(OH)2↓+2NaNO3
5)Mg(OH)2+H2SO4=MgSO4+2H2O
6)MgSO4+Ba(NO3)=BaSO4↓+Mg(NO3)2