Percent Composition - How to Calculate | Positive Chemistry

Опубликовано: 12 Март 2026
на канале: Siebert Science
4,160
39

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