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@Агаталове
August 2022
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Расставить коэффициенты в уравнении:
Zn+HNO3=Zn(NO3)2+NO2+H2O
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aydartatarin
Zn+4HNO3=Zn(NO3)2+2NO2+2H2O
NO3=NO2+H2O|2
ZN=ZN |1
2NO3
+
4H+Zn
=
2NO2+2H2O
+
Zn
0 votes
Thanks 0
julyap
Zn+4HNO3=Zn(NO3)2+2NO2+2H2O
Zn°+H⁺¹N⁺⁵O3⁻²=Zn²(N⁻⁵O3⁺²)2+N⁺⁴O2⁻²+H2⁺¹O⁻²
Zn⁰-2e⁻=Zn⁺² |2 1
| 2
N⁺⁵+1e⁻=N⁺⁴ |1 2
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Answers & Comments
NO3=NO2+H2O|2
ZN=ZN |1
2NO3+4H+Zn =2NO2+2H2O+Zn
Zn°+H⁺¹N⁺⁵O3⁻²=Zn²(N⁻⁵O3⁺²)2+N⁺⁴O2⁻²+H2⁺¹O⁻²
Zn⁰-2e⁻=Zn⁺² |2 1
| 2
N⁺⁵+1e⁻=N⁺⁴ |1 2