Which of the Following Solutes,dissolved in 1000 G of Water,would

Multiple Choice

Which of the following solutes,dissolved in 1000 g of water,would provide a solution with the lowest freezing point?

A) 0.030 mol of barium chloride,BaCl₂
B) 0.030 mol of urea,CO(NH₂) ₂
C) 0.030 mol of calcium sulfate,CaSO₄
D) 0.030 mol of acetic acid,CH₃COOH
E) 0.030 mol of ammonium nitrate,NH₄NO₃