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For the balanced equation shown below, how many moles of O2 will react with 0.3020 moles of CO2?

2C2 H5 OH + 6O2 → 4CO2 + 6H2O

Question options:

0.151 moles O2

0.201 moles O2

0.302 moles O2

0.453 moles O2

Respuesta :

if O2 react to give CO2 ...how does it react with the CO2...it must be in excess right?
for this u have to use mole ratio...
so...
 CO2 : O2 
   4     :   6

BY THIS RATIO IT IS KNOWN THAT:
 4 mole of CO2 reacts with 6 mole
0.3020 .....                           (6÷4) × 0.3020 = 0.453...
The answer is D