[IB Chemistry SL + HL Topic 1 Revision] Percentage Composition

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We're so excited to be able to share our exams with you!

Cheers, Mitch
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in the last question shouldn't the molecular formula be C2H6O2?

danaamro
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Shouldn't be the molecular formula C2H6O2 instead of C2H4O2?

MegaKevinmartinez