Dismiss Notice
Join Physics Forums Today!
The friendliest, high quality science and math community on the planet! Everyone who loves science is here!

Homework Help: Colligative Properties

  1. Feb 24, 2010 #1
    1. The problem statement, all variables and given/known data

    Ethylene Glycol, C2H602, (d=1.12 g/mL)
    Antifreeze solution will protect engine for temperatures as low as -20F

    2. Relevant equations

    What is the minimum molality of antifreeze solution required?

    3. The attempt at a solution

    Need help starting.
  2. jcsd
  3. Feb 24, 2010 #2
    I assume you're mixing it with water. Which is the solvent and which is the solute? What is the freezing point of the pure solvent? Once you have that, you can determine the freezing point depression.
Share this great discussion with others via Reddit, Google+, Twitter, or Facebook