Mass of ethylene glycol (antifreeze) to be added to 18.6 kg of water to protect the freezing point at -24^° C is ____ kg (Molar mass in g mol^-1 for…

Mass of ethylene glycol (antifreeze) to be added to $\displaystyle 18.6$ kg of water to protect the freezing point at $\displaystyle -24^{\circ} \mathrm{C}$ is $\displaystyle \_\_\_\_$ kg (Molar mass in $\displaystyle \mathrm{g} \mathrm{mol}^{-1}$ for ethylene glycol $\displaystyle 62$, $\displaystyle \mathrm{K}_f$ of water $\displaystyle =1.86 \mathrm{~K}$ $\displaystyle \mathrm{kg} \mathrm{mol}^{-1}$ )