Calculate the Approximate Freezing Point of a Solution Made from 21.0

Multiple Choice

Calculate the approximate freezing point of a solution made from 21.0 g NaCl and 1.00 × 10² g of H₂O.[K_f of water is 1.86°C/m.]

A) -13.4°C
B) -6.68°C
C) -3.59°C
D) 3.59°C
E) 6.68°C