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08-12-2016
Chemistry

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Why is a mole of oxygen and a mole of oxygen gas a different molar mass?

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08-12-2016

A mole is a unit of measurement. One mole equals 6 x 10^23 atoms/molecules/whatever. So take the molecular mass of elemental oxygen - 16 grams per mole. ... 1 mole elemental oxygen(16 grams O/1 mole) = 16 grams.

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