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.
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.
1 answer