alleryWhich equation expresses the mole ratio for hydrogen reacting with oxygen to form water?
A2 H₂ + O₂ → 2 H₂O
BH₂ + O₂ → H₂O
C2 H₂ + 2 O₂ → H₂O
DH₂ + 2 O₂ → H₂O
Answer & Solution
Correct answer: A. 2 H₂ + O₂ → 2 H₂O
The balanced equation gives a 2:1:2 ratio of hydrogen, oxygen and water.
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