What Causes Lower Freezing Point Depression: Ionization or Non-Ionization?

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SUMMARY

The discussion centers on the comparison of freezing point depression between two compounds of equal molar mass, where one ionizes in water and the other does not. It is established that the compound that ionizes will result in a lower freezing point depression due to the presence of more particles in solution, which affects the colligative properties of the solvent. Specifically, the freezing point of water can decrease to -1°C or -2°C depending on the substance, illustrating the impact of ionization on freezing point depression.

PREREQUISITES
  • Understanding of colligative properties in chemistry
  • Knowledge of ionic vs. non-ionic compounds
  • Familiarity with freezing point depression calculations
  • Basic concepts of molarity and molality
NEXT STEPS
  • Research the Van 't Hoff factor and its role in colligative properties
  • Study the differences between strong and weak electrolytes
  • Explore practical applications of freezing point depression in real-world scenarios
  • Learn about other colligative properties such as boiling point elevation
USEFUL FOR

Chemistry students, educators, and anyone interested in understanding the effects of ionization on freezing point depression and colligative properties.

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Homework Statement


One mole of two different compounds happens to weight the same, but one compound ionizes in water and the other does not. Which will give the lowest freezing point depression?

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The Attempt at a Solution

 
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You just don't ask. You try, you tell us what you did, we push you in the right direction.
 
first of all what does lower freezing point depression mean? does it mean the lower freezing point?
 
Water freezes at 0°C. Imagine that when you dissolve one of these substances water freezes at -1°C, if you dissolve the other - water freezes at -2°C. Difference between 0 and the actual freezing point is called freezing point depression, in this case it will be 1 or 2 degrees depending on the substance.

But you should know it all, if you are asked this question.
 

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