chemistry

What concentration of aqueous CaCl2 solution freezes at -10.2ºC? The freezing point of pure water is 0.0ºC and Kf of pure water is -1.86ºC/m.

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asked by Cecilia
  1. delta T = i*Kf*m
    You know delta T, i is the van't Hoff factor (3 for CaCl2; i.e., the number of particles), Kf you have, solve for m.

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    posted by DrBob222

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