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

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Discussion Overview

The discussion centers around the factors influencing freezing point depression, specifically comparing the effects of ionization versus non-ionization of compounds in water. It involves theoretical considerations and conceptual clarifications related to colligative properties.

Discussion Character

  • Homework-related, Conceptual clarification

Main Points Raised

  • One participant poses a homework question regarding which of two compounds, one that ionizes and one that does not, results in a lower freezing point depression.
  • Another participant suggests that the approach to answering the question involves attempting to solve it independently before seeking guidance.
  • A participant questions the meaning of "lower freezing point depression," seeking clarification on whether it refers to a lower actual freezing point.
  • One participant provides an illustrative example, explaining that if one substance causes water to freeze at -1°C and another at -2°C, the freezing point depression would be 1 or 2 degrees, respectively, depending on the substance.
  • There is an implication that the original poster should already have knowledge of these concepts to address the question effectively.

Areas of Agreement / Disagreement

The discussion does not reach a consensus on the factors affecting freezing point depression, and multiple viewpoints regarding the understanding of the concept are presented.

Contextual Notes

There are missing assumptions regarding the specific properties of the compounds in question, and the discussion does not resolve the implications of ionization on freezing point depression.

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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?

Homework Equations





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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