In a 0.1 molar solution of NaCl in water,which one of the following will be closest to 0.1? September 21, 2022 by 8i9x6 The mole fraction of NaCl. The mass fraction of NaCl. The mass percent of NaCl. The molality of NaCl. All of these are about 0.1. See Answer The molality of NaCl.