Cu+4HNO3=Cu(NO3)2+2NO2+2H2O Cu(0)-2e=Cu(+2) N(+5)+1e=N(+4)*2 Ag+2HNO3=AgNO3+NO2+H2O Ag(0)-1e=Ag(+1) N(+5)+1e=N(+4)
Cu+4HNO3=Cu(NO3)2+2NO2+2H2O
Cu(0)-2e=Cu(+2)
N(+5)+1e=N(+4)*2
Ag+2HNO3=AgNO3+NO2+H2O
Ag(0)-1e=Ag(+1)
N(+5)+1e=N(+4)