The freezing point of water, H2O, is 0.000C at 1 atmosphere. Kf (water) =1.86C/m In a laboratory experiment, students synthesized a new compound and found that when 11.53 grams of the compound were dissolved in 279.9 grams of water, the solution began to freeze at 1.234C. The compound was also found to be nonvolatile and a non-electrolyte. What is the molecular weight they determined for this compound ? g/mol