Gaseous methane (CH4) reacts with gaseous oxygen gas (O2) to produce gaseous carbon dioxide (CO2) and gaseous water (H2o) . What is the theoretical yield of carbon dioxide formed from the reaction of 0.16g of methane and 0.83g of oxygen gas?

Question

Gaseous methane (CH4)  reacts with gaseous oxygen gas (O2)  to produce gaseous carbon dioxide (CO2)  and gaseous water (H2o) . What is the theoretical yield of carbon dioxide formed from the reaction of 0.16g of methane and 0.83g of oxygen gas?

bobpursley · Answer

CH4+2O2>> CO2 + 2H2O

so for each mole of methane, you get one mole of carbon dioxide.

So we have to see the limiting agents.
You are given .16/16 moles .01 moles of methane. You must have twice that of oxygen see the ratio moles O2=.83/32 which is greater than .02, so the limiting reagent is methane. Then you ought to get .01 moles carbon dioxide, ord .44 grams.