The density of NaOH solution is 1.2 g cm^-3. The molality of this solution is \ \ \ \ m. (Round off to the Nearest Integer) [Use: Atomic masses: Na:…

The density of NaOH solution is $\displaystyle 1.2 \mathrm{~g} \mathrm{~cm}^{-3}$. The molality of this solution is \_\_\_\_ m. (Round off to the Nearest Integer) [Use : Atomic masses : Na : $\displaystyle 23.0$ u O : $\displaystyle 16.0$ u H : $\displaystyle 1.0$ u Density of $\displaystyle \mathrm{H}_2 \mathrm{O}: 1.0 \mathrm{~g} \mathrm{~cm}^{-3}$ ]