Partition Coefficient: Definition and Calculation


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A substance X is placed in a mixture of immiscible liquids Y and Z. Substance X dissolves in both Y and Z to form solutions W and F respectively. Identify the solute/s.

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1. Which factor is necessary for an equilibrium to follow the Partition Law?

2. 5.0 g of an organic compound is shaken in a separating funnel containing 20 ml of water and 80 ml of ether and was allowed to reach equilibrium. Given that the Kpc water to ether is 6, calculate the amount of organic compound that has dissolved in the ether.

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About This Quiz & Worksheet

This set of questions will help you find out if you fully understand the partition law in chemistry. Answer questions about the solubility of a material in different solvents.

Quiz & Worksheet Goals

In this quiz and worksheet, you'll assess your understanding of:

  • Solvents vs. solutes
  • Calculating the amount of dissolved solute based on given Kpc
  • The factor needed for an equilibrium to follow partition law

Skills Practiced

  • Problem solving - use acquired knowledge to solve partition solubility practice problems
  • Information recall - access the knowledge you've gained regarding the unit used to measure the partition coefficient
  • Knowledge application - use your knowledge to answer questions about the distribution of a solute in immiscible liquids based on the law of partition

Additional Learning

If you would like to know more about this chemistry topic, review the lesson titled Partition Coefficient: Definition & Calculation. This lesson covers topics like:

  • The phases of matter
  • Ways the law of partition affects the actions of the human body
  • Chemistry equipment used to study these effects