Chemistry

Assuming equal concentrations and complete dissociation, rank these aqueous solutions by their freezing points.

CoCl3 K2CO3 KNO3

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  1. The equation is delta T = i*Kf*m
    i = van't Hoff factor which is the number of particles. CoCl3 is 4, K3CO3 is 3, KNO3 is 2.
    Kf is a constant
    The problem tells you m is constant, so.....

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  2. DrBob222,
    you put K3CO3 not K2CO3

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  3. Highest freezing point:
    KNO3
    K2SO4
    CoCl3
    Lowest freezing point

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