Zn = > ZnCl2 = >Zn (OH) 2 = > ZnO = >ZnSO4 = >Zn (NO3) 2

Fe = > FeO=> FeCl2 = > Fe (OH) 2 = > FeSO4 = > Fe (NO3) 2

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1 апреля, 19:14

Zn = > ZnCl2 = >Zn (OH) 2 = > ZnO = >ZnSO4 = >Zn (NO3) 2

Fe = > FeO=> FeCl2 = > Fe (OH) 2 = > FeSO4 = > Fe (NO3) 2

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Эля · Answer 1

Zn + 2HCl = ZnCl2 + H2

ZnCl2 + 2NaOH = Zn (OH) 2 + 2NaCl

Zn (OH) 2 - > ZnO + H2O

ZnO + H2SO4 = ZnSO4 + H2O

ZnSO4 + Ca (NO3) 2 = CaSO4 + Zn (NO3) 2

2Fe + O2 = 2FeO

FeO + 2HCl = FeCl2 + H2O

FeCl2 + 2NaOH = Fe (OH) 2 + 2NaCl

Fe (OH) 2 + H2SO4 = FeSO4 + 2H2O

FeSO4 + Ca (NO3) 2 = CaSO4 + Fe (NO3) 2

Zn = > ZnCl2 = >Zn (OH) 2 = > ZnO = >ZnSO4 = >Zn (NO3) 2Fe = > FeO=> FeCl2 = > Fe (OH) 2 = > FeSO4 = > Fe (NO3) 2

Zn = > ZnCl2 = >Zn (OH) 2 = > ZnO = >ZnSO4 = >Zn (NO3) 2

Fe = > FeO=> FeCl2 = > Fe (OH) 2 = > FeSO4 = > Fe (NO3) 2