Here's a personalized test question for chemical reactions and stoichiometric relationships:
"Consider the following balanced chemical equation: 2H₂ + O₂ → 2H₂O
If you have 4 moles of H₂ and an excess amount of O₂, how many moles of H₂O will be produced?"
This question tests your understanding of stoichiometry and the ability to apply it to a given chemical equation.