Solutions have lower freezing point than pure solvent {freezing point depression}|, because solute molecules are impurities in solvent crystals and so make crystals harder to form. In freezing-point depression, temperature change dT equals constant k times molality M: dT = K*M. People know constants for solutes and solvents.
Physical Sciences>Chemistry>Inorganic>Phase>Solution>Partial
5-Chemistry-Inorganic-Phase-Solution-Partial
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Date Modified: 2022.0224