AP Chem

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What is the freezing point in degrees Celsius of a solution prepared by dissolving 11.3 (g) of calcium nitrate in 115 (g) of water? K of f for water is 1.86 degrees Celsius/m

  • AP Chem -

    mols Ca(NO3)2 = grams/molar mass.
    molality = mols Ca(NO3)2/kg solvent
    delta T = i*Kf*m
    i = 3 for Ca(NO3)2
    Then 0C-delta T = freezing point.

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