In this video, I explain how calculate the percent composition by mass of the elements in a compound from the molecular formula. I also share a shortcut for calculating the final element’s percent composition.
0:00 Intro
0:37 Percent Composition Problem
2:33 Shortcut for Final Element
🧪 This video aligns with Positive Chemistry -- Unit 10: Moles -- Percent Composition
Go to http://www.positivephysics.org to find out more!
🔬For all my science videos and other resources, check out: http://www.justinmsiebert.com
💻 My youtube channel: / siebertscience