How many moles are present in 32 gram og o2 ? Calculate the number of molecules?
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Explanation:
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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