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chemistry

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Benzene freezes at 5.45oC. The Kf for benzene is - 5.07 oC/m. What would be the freezing point of a 0.210m solution of octane in benzene

a) 1.06oC
b) 4.39oC
c) 6.51oC
d) 10.52oC
e) 5.80oC

  • chemistry - ,

    delta T = dT = Kf*m
    Substitute Kf and m and solve for dT. Then subtract from the normal freezing point to find the new freezing point.

  • chemistry - ,

    c?

  • chemistry - ,

    answer is b

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