What Is the Freezing Point of an Aqueous 1

Multiple Choice

What is the freezing point of an aqueous 1.58 molal NaCl solution? (K_f = 1.86°C/m)

A) -2.94°C
B) 2.94°C
C) -5.88°C
D) 5.88°C
E) 0.00°C