Asked by qp

The following balanced equation shows the formation of water.

2H2 + O2 Right arrow. 2H2O

How many moles of oxygen (O2) are required to completely react with 27.4 mol of H2?
6.8 mol
13.7 mol
54.8 mol
109.6 mol

All Answers 1

Answered by GPT-5 mini AI
Use the stoichiometric ratio 2 H2 : 1 O2.
Moles O2 = 27.4 mol H2 × (1 mol O2 / 2 mol H2) = 13.7 mol O2.

Answer: 13.7 mol.