Asked by Lauren

Urea (NH2)2CO is dissolved in 100.0 g of water. The solution freezes at -0.085 degrees C. how many grams of urea were dissolved to make this solution.

Answers

Answered by drbob222
delta T = K<sub>f</sub>*molality
Plug in 0.085 for delta T, I assume you know K<sub>f</sub> for water, calculate molality.
Then molality x kg solvent x molar mass = grams.
You have all but molar mass which can be calculated.
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