This chemistry video tutorial explains how to calculate the average atomic mass of an element given the percent abundance of each isotope.
Chemistry 1 Final Exam Review: https://www.youtube.com/watch?v=5yw1YH7YA7c
Chemistry - Free Formula Sheets:
https://www.video-tutor.net/chemistry-formula-sheets.html
Chemistry Chapter 2 - Video Lessons:
https://www.video-tutor.net/atoms-ions-and-molecules.html
Final Exam and Test Prep Videos:
https://bit.ly/41WNmI9
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