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This is a balanced equation for the combustion of acetylene (c2h2). How many moles of oxygen(o2) are required to react completely with 1. 0 mole of acetylene?.

Respuesta :

Considering the reaction stoichiometry, 2.5 moles of O₂ are required to react completely with 1 mole of acetylene C₂H₂.

Reaction stoichiometry

The balanced reaction is:

2 C₂H₂ + 5 O₂ → 4 CO₂ + 2 H₂O

By reaction stoichiometry (that is, the relationship between the amount of reagents and products in a chemical reaction), the following amounts of moles of each compound participate in the reaction:

  • C₂H₂: 2 moles
  • O₂: 5 moles
  • CO₂: 4 moles
  • H₂O: 2 moles

Moles of oxygen O₂ required

Then you can apply the following rule of three: if by stoichiometry of the reaction 2 moles of C₂H₂ react with 5 moles of O₂, 1 mole of C₂H₂ reacts with how many moles of O₂?

[tex]amount of moles of O_{2} =\frac{1 mole of C_{2} H_{2} x 5 moles of O_{2} }{2 mole sof C_{2} H_{2}}[/tex]

amount of moles of O₂= 2.5 moles

Finally, 2.5 moles of O₂ are required to react completely with 1 mole of acetylene C₂H₂.

Learn more about reaction stoichiometry:

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