Em tham khảo nha:
\(\begin{array}{l}
n{O_2} = \dfrac{V}{{22,4}} = \dfrac{{33,6}}{{22,4}} = 1,5\,mol\\
C + {O_2} \xrightarrow{t^0} C{O_2}\\
nC = nC{O_2} = n{O_2} = 1,5\,mol\\
mC = 1,5 \times 12 = 18g\\
VC{O_2} = 1,5 \times 22,4 = 33,6l\\
S + {O_2} \xrightarrow{t^0} S{O_2}\\
nS = nS{O_2} = n{O_2} = 1,5\,mol\\
mS = 1,5 \times 32 = 48g\\
VS{O_2} = 1,5 \times 22,4 = 33,6l\\
4P + 5{O_2} \xrightarrow{t^0} 2{P_2}{O_5}\\
nP = \dfrac{{1,5 \times 4}}{5} = 1,2\,mol\\
mP = 1,2 \times 31 = 37,2g\\
n{P_2}{O_5} = \dfrac{{1,2}}{2} = 0,6\,mol\\
m{P_2}{O_5} = 0,6 \times 142 = 85,2g
\end{array}\)