Liquid Solution

$1.2 \mathrm{~K} \mathrm{~kg} \mathrm{~mol}^{-1}$

$1.6 \mathrm{~K} \mathrm{~kg} \mathrm{~mol}^{-1}$

$2.1 \mathrm{~K} \mathrm{~kg} \mathrm{~mol}^{-1}$

$2.5 \mathrm{~K} \mathrm{~kg} \mathrm{~mol}^{-1}$