Find the freezing point of a sugar water solution containing 15 g of sucrose (C_12H_22O_11) dissolved in 100 g water. (k_f, water = 1.86 degree C/m) a. What is the molar mass of sucrose? b. What is the modality of this solution? c. What is the freezing point of this solution? Show your work. Find the freezing point of an antifreeze solution made by mixing 500 g ethylene glycol (C_2H_6O_2), with 1000 g water (k_f, water = -1.86 degree C/m)