What is the freezing point of an aqueous solution of NaCl that boils at 102.5°C? (For water, Kf = 1.86°C/m; Kb = 0.52°C/m)
A) 2.5°C
B) -2.5°C
C) -0.70°C
D) 0.70°C
E) -8.9°C
Correct Answer:
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