Question

9. What is the mass of:
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0.2 mole of oxygen atoms?​

Answer 1

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.

Explanation:

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Answer 2

Answer:

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