Empirical Formula

Question

How many L of N2 are needed to react with 8.11 L H2? 

Answer 1

Assuming you synthesizing ammonia, NH3, you have..

N₂ + 3H₂ ==> 2NH₃ ... balanced equation

Using the stoichiometry of the balanced equation, we have...

8.11 L H₂ x 1 L N₂/3 L N₂ = 2.70 liters N₂ needed