Question

how many moles of methane are required to produce 22 g carbon dioxide after combusting??

Answer 1

CH4 +2O2->CO2+2H2O
22 g of co2 means 0.5 mole
1mole of ch4 gives 1mole of co2
0.5 mol of ch4 gives 0.5 mole of co2
Ans 0.5 mole of methane