Объяснение:
1. 2Zn+O2=2ZnO
2. ZnO+H2SO4=ZnSO4+H2O
3. ZnSO4+2H2O=Zn(OH)2+H2SO4
4. Zn(OH)2+2HNO3=Zn(NO3)2+2H2O
5. Mg+Zn(NO3)2=Mg(NO3)2+Zn
6. Mg(NO3)2+2H2O=Mg(OH)2+2HNO3
7. Mg(OH)2=MgO+H2O
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Verified answer
Объяснение:
1. 2Zn+O2=2ZnO
2. ZnO+H2SO4=ZnSO4+H2O
3. ZnSO4+2H2O=Zn(OH)2+H2SO4
4. Zn(OH)2+2HNO3=Zn(NO3)2+2H2O
5. Mg+Zn(NO3)2=Mg(NO3)2+Zn
6. Mg(NO3)2+2H2O=Mg(OH)2+2HNO3
7. Mg(OH)2=MgO+H2O