A \(6.50\) molal solution of \(\mathrm{KOH}(\mathrm{aq}.)\) has a density of \(1.89\mathrm{g}{\mathrm{cm}}^{-3}\). The m…

A \(6.50\) molal solution of \(\mathrm{KOH}(\mathrm{aq}.)\) has a density of \(1.89\mathrm{g}{\mathrm{cm}}^{-3}\). The molarity of the solution is ......... mol \({\mathrm{dm}}^{-3}\).(Round off to the Nearest Integer).

[Atomic masses: \(\mathrm{K}:39.0\mathrm{u};\mathrm{O}:16.0\mathrm{u};\mathrm{H}:1.0\mathrm{u}\) ]

[JEE Main 2021, 16 Mar (Shift 1)]