Respuesta :

TheBilogis
We know that this is a combustion question since it contains a hydrocarbon being burned with oxygen. Therefore the products are water and carbon dioxide.

C₂H₂+O₂⇒H₂O+CO₂
Balancing this,
2C₂H₂+5O₂⇒2H₂O+4CO₂

We know that 2 moles of C₂H₂ will react with 5 moles of O₂. From the balanced equation.
We can set up our ratios:2:5=35:x
2x=175
x=87.5

Therefore it would require 87.5 moles of O₂

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