The k of water is 1.86 kg °C/mol, approximately 4x the value of k,. If you attempted to freeze your 1.3m solution, how do you think the freezing point of water would be impacted?

Aquaculture Science
3rd Edition
ISBN:9781133558347
Author:Parker
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Chapter12: Water Requirements For Aquaculture
Section: Chapter Questions
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The kf of water is 1.86 kg °C/mol, approximately 4x the value of kp. If you attempted to freeze your 1.3m solution,
how do you think the freezing point of water would be impacted?
Transcribed Image Text:The kf of water is 1.86 kg °C/mol, approximately 4x the value of kp. If you attempted to freeze your 1.3m solution, how do you think the freezing point of water would be impacted?
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  • Freezing point depression is a colligative property and it is noticed in solution when solute molecules are introduced into a solvent.
  • The freezing point of solutions is all lower than that of a pure solvent and it is directly proportional to the molality of a solute. 
  • For example, when salt is added to the water, the water gets frozen before its freezing point and thus it gets depressed.
  • Salt water has a lower vapor pressure than water. 

 

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