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How many mole of oxygen are present in 3 mole of sodium sulfate, Na2SO4

How many mole of oxygen are present in 3 mole of sodium sulfate, Na2SO4
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How many mole of oxygen are present in 3 mole of sodium sulfate, Na2SO4

User Marc Thibault
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n(Na₂SO₄)=3 mol

n(O)=4n(Na₂SO₄)

n(O)=4*3=12 mol
User Adboco
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