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9. What is the mass of:SEE BIO....FOLLOW ME0.2 mole of oxygen atoms?​

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Answer:

One MOLE of oxygen gas, which has the formula O2, has a mass of 32 G and contains 6.02 X 1023 molecules of oxygen but 12.04 X 1023 (2 X 6.02 X 1023) ATOMS, because each molecule of oxygen contains two oxygen atoms.

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