Em tham khảo nha:
\(\begin{array}{l}
8Al + 30HN{O_3} \to 8Al{(N{O_3})_3} + 3{N_2}O + 15{H_2}O\\
8Al + 30{H^ + } + 6N{O_3}^ - \to 8A{l^{3 + }} + 3{N_2}O + 15{H_2}O\\
8Al + 30HN{O_3} \to 8Al{(N{O_3})_3} + 3N{H_4}N{O_3} + 9{H_2}O\\
8Al + 30{H^ + } + 3N{O_3}^ - \to 8A{l^{3 + }} + 3N{H_4}^ + + 9{H_2}O\\
{\rm{dd}}\,A:Al{(N{O_3})_3},HN{O_3},N{H_4}N{O_3}\\
Al{(N{O_3})_3} + 3NaOH \to Al{(OH)_3} + 3NaN{O_3}\\
A{l^{3 + }} + 3O{H^ - } \to Al{(OH)_3}\\
Al{(OH)_3} + NaOH \to NaAl{O_2} + 2{H_2}O\\
Al{(OH)_3} + O{H^ - } \to Al{O_2}^ - + 2{H_2}O\\
HN{O_3} + NaOH \to NaN{O_3} + {H_2}O\\
{H^ + } + O{H^ - } \to {H_2}O\\
N{H_4}N{O_3} + NaOH \to NaN{O_3} + N{H_3} + {H_2}O\\
N{H_4}^ + + O{H^ - } \to N{H_3} + {H_2}O\\
B:NaN{O_3},NaOH\\
C:NaOH\\
2NaOH + {H_2}S{O_4} \to N{a_2}S{O_4} + 2{H_2}O\\
O{H^ - } + {H^ + } \to {H_2}O\\
\end{array}\)
