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how many liters of O2 are needed to produce 5.62 g of SO2 in the following reaction? 4FeS2+11O2 ->2Fe2O3+8SO2

Sagot :

8moles of SO_2 need 11mol O_2

  • 1mol need=11/8=1.4molO_2

Moles of sO_2

[tex]\\ \rm\hookrightarrow \dfrac{5.62}{64}=0.1[/tex]

So

Moles of O_2

  • 1.4(0.1)=0.14mol

We know

  • 1mol at STP=22.4L
  • 1.4mol=0.14(22.4)=3.13L O_2
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