S1.4.4 Percentage composition by mass

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This video covers how to determine the percentage composition by mass of an element in a compound.
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MSJ, thank you. I passed chem because of you. Not all heroes wear capes.

decafmetcalf
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Thank you so much for the videos you made. I rmbr my ib days where I would just binge watch your videos. You're literally my lifesaver and I got a 7 for my final. thank you so much

artayadarlana
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could you please make a playlist for your videos for Reactivity 3.3 and 3.4 for SL? TYSM!

rorygilmoresbookshelf
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Yo does ur stuff help for ap chem too?

ztcbism