Số mol so2 là 3,2/64=0,05 mol
V so2 =0,05 . 22,4= 1,12l
\(n_{SO_2}=\dfrac{3,2}{64}=0,05\left(mol\right)\)
\(\Rightarrow V_{SO_2\left(đktc\right)}=0,05.22,4=1,12\left(l\right)\)
nSO2=3,2/64=0,05 mol
\(\Rightarrow\)VSO2=0,05 \(\times\)22,4= 1,12 l