AP Chemistry: Stoichiometry 2

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Uploaded by on Jan 4, 2008

Over 200 videos, reshot in HD, now available at www.chemguy.com for just a donation! This clip: Chemguy does a question that converts % composition by mass into an empirical formula.
Donations welcome at www.chemguy.com

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  • this vid is very helpful! i learn more from you than my own chemistry teacher

  • you are an absolutely EXCELLENT teacher! thank you so much!

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  • because of this guy im staying in college :)

  • I want to go to the school you teach !!!!!!!!!!!

  • Your a pro.

  • thumbs up if you have mr. trimborn...

  • Percent to mass -> Mass to mole -> Divide by lowest -> and make it whole!

  • Lol chemguy - my teacher

  • Thank you so much! I have a Chemistry test in a few hours...that I need to go take and this is helping me understand what I didn't understand in class and in the book! You literally are saving my grade here!

  • my chem teacher+bill nye the science guy < THIS GUY

  • Man you seem like a really cool teacher, and you explain everything really good! I wish you were my teacher :(

  • love the enthusiasm -- fun to learn Chemistry for once

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