Working With Very Small Equilibrium Constants – The 5% Rule – AP Chem Unit 7, Topic 7b #apchem

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In this video, Mr. Krug shows students how to simplify the mathematics in equilibrium problems with very small equilibrium constants. This method is sometimes called the 5% rule. He works several equilibrium example problems in the video.
00:00 Introduction
00:29 Example Problem No 1
06:51 When Can You Use the 5% Rule?
08:39 Example Problem No 2
12:49 Conclusion