Liquid Solution

A solution of nonvolatile solute is obtained by dissolving \(1.5 \mathrm{~g}\) in \(30 \mathrm{~g}\) solvent has boiling point elevation \(0.65 \mathrm{~K}\). Calculate the molal elevation constant if molar mass of solute is \(150 \mathrm{~g} \mathrm{~mol}^{-1}\).