Percent Composition - How to Calculate | Positive Chemistry

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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

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