Question

In the reaction \( \mathrm{2H_2 + O_2 \rightarrow 2H_2O} \), if 4 moles of hydrogen react completely with oxygen, how many moles of water will be produced?

• A. 2 mol
• B. 4 mol
• C. 8 mol
• D. 1 mol

Hint:

Always use the mole ratio from the balanced chemical equation to solve stoichiometry problems.