Normal
\[3Fe+8HNO_{3}\rightarrow 3Fe\left(NO_{3} \right)_{2}+2NO+4H_{2}O\]Fe dư.
\[3Fe+8HNO_{3}\rightarrow 3Fe\left(NO_{3} \right)_{2}+2NO+4H_{2}O\]
Fe dư.
