$C_nH_{2n+2}O_m+(1,5n+0,5-0,5m)O_2\rightarrow nCO_2+(n+1)H_2O$ $1 (1,5n+0,5-0,5m)$
$0,42 \frac{37,632}{22,4}$
$\Rightarrow 1,5n+0,5-0,5m=4\Rightarrow 3m-n=7\Rightarrow \begin{cases}n=3 \\ m=2 \end{cases}\Rightarrow C_3H_8O_2$
$CH_3CHOHCH_2OH:propan diol-1,2$
$CH_2OHCH_2CH_2OH:propan diol-1,3$