Question

In the reaction 2H2 + O2 → 2H2O, how many moles of oxygen are required to fully react with 6.0 mol of hydrogen?

Answer 1

3 moles of O2

Step-by-step explanation:

From the equation you can see that the ratio of H2 to O2 is 2:1

so 6 mole of hydrogen will require 3 mole of O2