Đổi : 600ml=0,6l
\(n_{N2O}+n_{NO}=\frac{3,36}{22,4}=0,15\left(mol\right)\)
\(\frac{d_{N2O,NO}}{kk}=1,195\)
\(\rightarrow M_{N2O,NO}=34,655\)
\(\rightarrow44n_{N2O}+30n_{NO}=34,655.0,15=5,19825\left(2\right)\)
(1)(2) \(\rightarrow n_{N2O}=0,05,n_{NO}=0,1\)
\(3n_{Fe}+2n_{Mg}=0,7\)
\(56n_{Fe}+24n_{Mg}=10,4\)
\(\rightarrow n_{Fe}=0,1\left(mol\right),n_{Mg}=0,2\left(mol\right)\)
\(n_{Fe}=nFe\left(NO_3\right)_3,n_{Mg}=nMg\left(NO_3\right)_2\)
\(\rightarrow n_{HNO3}=2n_{Mg\left(NO3\right)2}+3n_{Fe\left(NO3\right)3}+n_{NO}+n_{N2O}\)
\(=0,2.2+0,1.3+0,1+0,05.2=0,9\left(mol\right)\)
\(\rightarrow CM_{HNO3}=\frac{0,9}{0,6}=1,5M\)