A Solution Is Prepared by Dissolving 53

Multiple Choice

A solution is prepared by dissolving 53.5 grams of ammonium chloride, NH₄Cl, in 4000.0 grams of water. What is the freezing point of the solution? (The freezing point depression constant for water is 1.86°C/mole solute in 1000 g of water.)

A) -0.37°C
B) -0.47°C
C) -0.93°C
D) -1.86°C