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milerottweiler
@milerottweiler
July 2021
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Решить цепочку N2-N2O5-HNO3-Zn(No3)2-Zn(OH)2-ZnO-Zn
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vlasovaali20162
Цепочка 1:
1) 2Zn+O2=2ZnO
2)ZnO+2HNO3=Zn(NO3)2+H2O
3)Zn(NO3)2+2KOH=Zn(OH)2(осадок)+2KNO3
4)Zn(OH)2=(t) ZnO+H2O
5)ZnO+H2=Zn+H2O
Цепочка 2:
1) 2Fe+O2=2FeO
2)FeO+H2SO4=FeSO4+H2O
3)FeSO4+2KOH=Fe(OH)2(осадок)+K2SO4
4)Fe(OH)2+2HNO3=Fe(NO3)2+2H2O
2 votes
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Answers & Comments
1) 2Zn+O2=2ZnO
2)ZnO+2HNO3=Zn(NO3)2+H2O
3)Zn(NO3)2+2KOH=Zn(OH)2(осадок)+2KNO3
4)Zn(OH)2=(t) ZnO+H2O
5)ZnO+H2=Zn+H2O
Цепочка 2:
1) 2Fe+O2=2FeO
2)FeO+H2SO4=FeSO4+H2O
3)FeSO4+2KOH=Fe(OH)2(осадок)+K2SO4
4)Fe(OH)2+2HNO3=Fe(NO3)2+2H2O