alleryRaoult found the lowering of vapour pressure depends only on:
AConcentration
BTemperature
CIllumination
DVibration
Answer & Solution
Correct answer: A. Concentration
1. The identity of the solute does not enter the result.
2. Only how much of it is present matters.
3. So the lowering depends only on the concentration.
_Source: syllabus Chemistry Part I, Chapter 2, Solutions._
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