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OpenStudy (anonymous):
how many total atoms are in 0.220 g of P2O5
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OpenStudy (australopithecus):
Convert to moles: Moles = grams/molecular mass of P2O5 here are many videos that teach you how to calculate molecular mass https://www.youtube.com/results?search_query=calculating+molecular+mass Convert to atoms Moles*Avogadro's number = atoms
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