Al->Al+3 +3e________________ .(5x-2y)
xN+5 +(5x-2y)e\(\rightarrow\)xN+2y/x________.3
\(\Rightarrow\)(5x-2y)Al+(18x-3y)HNO3\(\rightarrow\)(9x-1,5y)H2O+3NxOy+(5x-2y)Al(NO3)3
xFe+2y/x \(\rightarrow\)xFe+3 + (3x-2y)e .1
N+5 +1e\(\rightarrow\)N+4 ____________ .(3x-2y)
\(\rightarrow\)FexOy+(6x-2y)HNO3\(\rightarrow\)(3x-y)H2O+xFe(NO3)3+(3x-2y)NO2