Answer to Question #160484 in Chemistry for anthony ibarra

Question

How many moles of O2 are required to react with 2 moles of H2?

Answer 1

Solution:

Typically H₂ and O₂ react to form water (H₂O).

The balanced chemical equation:

2H₂ + O₂ → 2H₂O

According to the equation above: n(H₂)/2 = n(O₂)

Hence,

n(O₂) = n(H₂)/2 = 2 mol / 2 = 1 mol

n(O₂) = 1 mol

Answer: 1 mol of O₂ are required.