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How to find molar mass of molecular oxygen vs oxygen

How to find molar mass of molecular oxygen vs oxygen

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Answer #1

Atomic oxygen is just one oxygen atom by itself, written as O.
Molecular oxygen is a molecule of two oxygen atoms covalently bonded together, such that both atoms attain the stable octet configuration. It is written as O2.

The molar mass simply means the mass of a substance in one mole (in grams).oxygen has a mass number of 16.0g

Hence, atomic oxygen has a molar mass of 16.0g while molecular oxygen has a molar mass of 16.0*2 = 32.0g.

molecular oxygen molar mass = 32.0 g /mol

atomic oxygen molar mass = 16.0 g /mol

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