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jesuisheureuse jesuisheureuse
  • 09-06-2016
  • Chemistry
Answered

Plz can someone help with this I don't understand how the answer is 3000dm3

Thanks

Plz can someone help with this I don t understand how the answer is 3000dm3 Thanks class=

Verified Answer :

Hagrid
Hagrid Hagrid
  • 10-06-2016

Combustion of octane is:
C8H18 + 25/2O2 -> 9H2O + 8CO2

You are given 10 moles of octane and you are required to find the volume of octane

10 moles C8H18 (25/2 moles O2/ 1 mole C8H18) = 125 moles O2

V = 125 moles O2 ( 24 dm3 / 1 mole of gas)
V = 3000 dm3


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