A 0.520 g sample of an unknown nonelectrolyte compound is dissolved in 4.3 g of lauric acid (Kf = 3.9 °C/m). The freezing point depression is determine to be 4.2 °C. What is the molar mass of the compound?
A) 2.08 g/mol
B) 112 g/mol
C) 930 g/mol
D) 7660 g/mol