Freezing Point Depression: Definition, Equation & Examples


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What is the freezing point depression?

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1. Which of the following solutions will have a lower freezing point: salt water (made with 10 moles of salt in 1 kg of water) or sugar water (made with 10 moles of sugar in 1 kg of water)?

2. What does the 'Kf' represent in the freezing point depression equation?

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About This Quiz & Worksheet

Ever wonder why some solutions freeze at lower temperatures than others? If you have, then you'd be interested in learning about freezing point depression. Complete this assessment to find out how well you understand this phenomena.

Quiz & Worksheet Goals

Use this assessment to test your understanding of:

  • Freezing point depression
  • Different freezing points of different solutions
  • The freezing point depression equation
  • Uses of freezing point depression

Skills Practiced

Skills you will need to utilize as you complete this assessment include:

  • Defining key concepts - ensure that you can accurately define main phrases, such as freezing point depression
  • Distinguishing differences - compare and contrast topics from the lesson, such as the freezing point of a salt water solution and a sugar water solution
  • Knowledge application - use your knowledge to answer questions that will ask you to calculate the freezing point of a solution

Additional Learning

For a quick and effective way to improve your understanding of freezing point depression and how to calculate freezing points, complete the lesson Freezing Point Depression: Definition, Equation & Examples. With this lesson you will study:

  • The components of the freezing point equation
  • The Van't Hoff factor
  • Example problems that find the freezing point of a solution