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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.

  • Chemistry -

    delta T = Kf*molality
    Plug in 0.085 for delta T, I assume you know Kf 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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