When 121 G of the Sugar Sucrose (A Nonelectrolyte) Are Dissolved

Multiple Choice

When 12.1 g of the sugar sucrose (a nonelectrolyte) are dissolved in exactly 800 g of water, the solution has a freezing point of -0.082°C. What is the molar mass of sucrose? (K_f of water is 1.86°C/m.)

A) 426 g/mol
B) 99.2 g/mol
C) 178 g/mol
D) 266 g/mol
E) 343 g/mol