Calculate the depression in freezing point of a solvent when a solute is added.
Solution Properties
mol/kg
°C⋅kg/mol
°C
Calculation Results
Enter solution parameters to calculate freezing point depression
About this calculator
Overview
Freezing point depression describes the phenomenon where the freezing point of a liquid (solvent) is depressed when another compound (solute) is added.
💡
Pro Tips
i = 1 for non-electrolytes (e.g., sugar).
i > 1 for ionic compounds (e.g., i ≈ 2 for NaCl).
ΔTf = i · Kf · m.
!
Fun Facts
"Crucial for biological survival in cold environments."
"Used in ice cream making to reach temperatures below 0°C."
"The degree of depression depends on the number of solute particles, not their identity (colligative property)."
"Antifreeze in cars uses ethylene glycol to depress freezing point below -30°C."
"Molal freezing point depression constant (Kf) is different for each solvent."
"Freezing point depression follows the same principle as boiling point elevation."
"Ionic compounds show greater depression due to higher van 't Hoff factors."
