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The amount of urea to be dissolved in 50...

The amount of urea to be dissolved in 500mL of water (K=18.6 K `mol^-1` 100 g solvent) to produce a depression of `0.186^@C` in freezing point is:

A

0.3 g

B

3 g

C

6 g

D

9 g

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The correct Answer is:
B
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