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Convert 12 g of oxygen gas into moles.
Gram molecular mass of O2 = 32 g
Mass of oxygen gas given = 12 g
Therefore, 32 g of O2 = 1 mole of O2
12 g of O2 = 12 / 32 moles of O2
Therefore, 12 g of oxygen contains 0.375 moles of oxygen.
Updated on: 10-Oct-2022
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