What Is the Number of Molecules of O₂ Consumed If

Multiple Choice

What is the number of molecules of O₂ consumed if you combust one mole of CH₄ according to the following balanced equation? CH₄ + 2 O₂ → CO₂ + 2 H₂O

A) 1 molecule
B) 2 molecules
C) 6.022 × 10²³ molecules
D) 1.204 × 0²⁴ molecules
E) 1 g of molecules