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Chemistry

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1) Benzene freezes at 5.45 degrees celsius. The Kf for benzene is -5.07C/m. What would be the freezing point of a 0.210m solution of octane in benzene?

I am not sure how to start this. I know the equation for freezing point is Kfp * m solute.

  • Chemistry - ,

    So plug in the numbers. That's always a good place to start.
    But I caution you that the freezing point is NOT Kfp*m. It's DELTA T that is equal to Kfp*m

  • Chemistry - ,

    would it be delta T = -5.07C/m * 0.210m?

  • Chemistry - ,

    Yes, then the freezing point will be normal f.p. - delta T = new f.p.

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