Freezing Point Depression MolalityIf you want to lower water’s freezing point 15 degrees celsius by adding NaCl, what must the molality of the salt solution be (Kf for water is 1.86 degrees celsius per molal)? By Kelsey Winchester 5 Nov 20198 Nov 2019 Leave a Comment on If you want to lower water’s freezing point 15 degrees celsius by adding NaCl, what must the molality of the salt solution be (Kf for water is 1.86 degrees celsius per molal)? 15 oC = (2 particles)(1.86 oC/m)(molal NaCl (aq))molal NaCl(aq) = 4.03 molal Share this:Click to share on Twitter (Opens in new window)Click to share on Facebook (Opens in new window)Like this:Like Loading... Related