\(n_S=\dfrac{3.2}{32}=0.1\left(mol\right)\)
\(n_{O_2}=\dfrac{2.688}{22.4}=0.12\left(mol\right)\)
\(S+O_2\underrightarrow{t^0}SO_2\)
\(0.1...0.1.....01\)
\(V_{O_2\left(dư\right)}=\left(0.12-0.1\right)\cdot22.4=0.448\left(l\right)\)
\(V_{SO_2}=0.1\cdot22.4=2.24\left(l\right)\)
\(n_S=\dfrac{3,2}{32}=0,1\left(mol\right)\)
\(n_{O_2}=\dfrac{2,688}{22,4}=0,12\left(mol\right)\)
PTHH : \(S+O_2\rightarrow SO_2\)
Ban đầu : 0,1 0,12 (mol)
Phản ứng : 0,1 0,1 0,1 (mol)
Sau phản ứng : 0 0,02 0,1 (mol)
\(m_{O_2}=0,02.32=0,64\left(g\right)\)
\(m_{SO_2}=0,1.64=6,4\left(g\right)\)
\(V_{SO_2}=0,1.22,4=2,24\left(l\right)\)