4Mg+9HNO3=4Mg(NO3)2+NH3+3H2O
Mg(0)-2e=Mg(+2). 4
N(+5)+8e=N(-3). 1
4Zn+10HNO3=4Zn(NO3)2+N2O+5H2O
Zn(0)-2e=Zn(+2). 4
2N(+5)+8e=2N(+) 1
4Mg+9HNO3=4Mg(NO3)2+NH3+3H2O
Mg(0)-2e=Mg(+2). 4
N(+5)+8e=N(-3). 1
4Zn+10HNO3=4Zn(NO3)2+N2O+5H2O
Zn(0)-2e=Zn(+2). 4
2N(+5)+8e=2N(+) 1