Respuesta :

Answer:

  64 g of O₂ is consumed in this reaction.

Explanation:

  Mass of H₂O = 72 g

  Mass of H₂ = 8 g

  So, mass of O₂ consumed = mass of H₂O - mass of H₂ = 72 - 8 = 64 g

   64 g of O₂ is consumed in this reaction.