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Chem

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An ethylene glycol solution contains 20.9 g of ethylene glycol (C2H6O2) in 85.0 mL of water. Compute the freezing point and boiling point of the solution. (Assume a density of 1.00 g/mL for water.)


freezing point
°C
boiling point
°C

How would I set this up?
thanks

  • Chem - ,

    moles ethylene clycol = grams/molar mass. Solve for mole.

    molality = moles/kg solvent
    Solve for molality

    delta T = Kf*m and convert to freezing point.
    delta T = Kb*m and add to 100 C to convert to boiling point.

  • Chem - ,

    Thanks

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