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A 25.0 mL sample of 0.15 M silver nitrate, AgNO3, is reacted with a 3.58 g sample of calcium chloride, CaCl2 (M = 111.0). Which of the following statements is true?

(A) Silver nitrate is the limiting reactant and calcium nitrate precipitates.

(B) Silver nitrate is the limiting reactant and silver chloride precipitates.

(C) Calcium chloride is the limiting reactant and calcium nitrate precipitates.

(D) Calcium chloride is the limiting reactant and silver chloride precipitates.

Which aqueous solution exhibits the largest freezing point depression?

(A) 1.0 m KBr (C) 0.5 m MgCl2

(B) 0.75 m C6H12O6 (D) 0.25 m Ga2(SO4)3

Please explain