For 2H₂O₂ → 2H₂O + O₂, how many moles of O₂ form ideally from 2 mol H₂O₂ with other reactants in excess?

A) 2 mol

B) 3 mol

C) 1 mol

D) 0.5 mol

Answer: C

Explanation: The balanced equation gives a 2:1 mole ratio between H₂O₂ and O₂. Multiply 2 mol by 1/2 to get 1 mol of O₂.