Answer to Question #332296 in General Chemistry for ell

General Chemistry

Question #332296

CH₄+ 2O₂ = CO₂ + 2H₂O

How many grams of O₂ is needed to produce 37.5 g of CO_2.

Expert's answer

CH₄+ 2O₂ = CO₂ + 2H₂O

m(O₂) = (m(CO_2.)*2Mr(O₂))/Mr(CO_2.)

m(O₂) = (37.5 g * (2*32 g/moll)) / 44 g/moll = 54.5 g

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