Respuesta :

Answer:

14.125

Explanation:

If my calculations are right.

  • there are 44.0 moles in co2
  • +20.0
  • which equals 64
  • there are 78.125 moles in O2 so just subtract it by 64 which gives you
  • 14.125

MOLE CALCULATION

divide the mass of the material by its molar mass. The molar mass of a substance is the mass in grams of one mole of that substance.