Physics - Heat & Thermo Question with Solution | TestHub

$c$ is in $\mathrm{J}k{g}^{-1}{K}^{-1}$ and $C$ in $\mathrm{J}{\mathrm{mol}}^{-1}{K}^{-1}$, so $c/C=1/M$ (reciprocal of molar mass), so the ratio is determined by the molecular weight alone. Answer (C).