\(\mathrm{Y}_{\text {mehylibenzene }}=\frac{\mathrm{P}_{\text {methylbenzene }}}{\mathrm{P}_{\text {total }}}\)
\(\mathrm{Y}_{\text {mehhylibenzene }}=\frac{0.5 \times 24}{0.5 \times 80+0.5 \times 24}\)
\(=\frac{12}{40+12}=0.23=23 \times 10^{-2}\)
(અણુભાર : $CHCl_3 = 119.5\, u, CH_2CI_2 = 85\,u$)