Автор - 524430

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Ответ

Автор - archontoro

1) Ba+O2=BaO2

BaO2+Ba=2BaO

BaO+H2O=Ba(OH)2

2Ba(OH)2+4NO2+O2=2Ba(NO3)2+2H2O

Ba(NO3)2+MgSO4=BaSO4↓+Mg(NO3)2

б) 4Al+3O2=2Al2O3

Al2O3+6HCl=2AlCl3+3H2O

AlCl3+3KOH=Al(OH)3↓+3KCl

2Al(OH)3=Al2O3+3H2O

Al2O3+3H2SO4=Al2(SO4)3+3H2O

в) 3Fe+2O2=Fe3O4

Fe3O4=Fe2O3+FeO

FeO+2HCl=FeCl2+H2O

FeCl2+2LiOH=2LiCl+Fe(OH)2↓

Fe(OH)2=FeO+H2O

FeO+SO3=FeSO4

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