a)\(C+O2-->CO2\)
b)\(m_C=1,5.80\%=0,01875\left(kg\right)=18,75\left(g\right)\)
\(n_C=\frac{18,75}{12}=1,5625\left(mol\right)\)
\(n_{O2}=n_C=1,5625\left(mol\right)\)
\(V_{O2}=1,5625.22,4=35\left(l\right)\)
\(V_{kk}=5V_{O2}=35.5=175\left(l\right)\)