Answer to Question #136490 in General Chemistry for Javier

Question

How many moles of O2 are required to react with 8.0 moles H2?

Answer 1

As 2H₂ + O₂ gives 2H₂O

So according to stoichiometric coefficient

2 mol of H₂ reacts with 1 mol of O₂

Hence for 8 mol of H₂ 4 mol of O₂ is required