JoeOB7760 JoeOB7760

24-06-2017
Chemistry

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If you react 5.6 moles of pbs(s) in the air, how much o2 (in grams) would be needed for a complete reaction?

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dec77cat dec77cat

24-06-2017

2PbS + 3O₂ = 2PbO + 2SO₂

m(O₂)=3M(O₂)n(PbS)/2

m(O₂)=3*32.0g/mol*5.6mol/2=268.8 g

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