The amount of urea to be dissolved in 500 cc of water (Kf = 1.86) to produce a depression of 0.186°C in the freezing point is :
A. 9 g
B. 6 g
C. 3 g
D. 0.3 g
Answer:C
The amount of urea to be dissolved in 500 cc of water (Kf = 1.86) to produce a depression of 0.186°C in the freezing point is :
A. 9 g B. 6 g C. 3 g D. 0.3 g