Ta có: \(n_{HNO_3}=\dfrac{37,8}{63}=0,6\left(mol\right)\)
BTNT N, có: \(n_{NH_3\left(LT\right)}=n_{HNO_3}=0,6\left(mol\right)\)
Mà: H = 60% \(\Rightarrow n_{NH_3\left(TT\right)}=\dfrac{0,6}{60\%}=1\left(mol\right)\)
\(\Rightarrow V_{NH_3}=1.24,79=24,79\left(l\right)\)