Which equation is balanced?

A. H2 + O2 → H2O
B. 4H2 + O2 → H2O + O
C. H2 + O2 → H2O + O2
D. 2H2 + O2 → 2H20

5 answers

D. 2H2 + O2 → 2H20
Edit mistype: D. 2H2 + O2 → 2H2O
Yes, that's correct! D. 2H2 + O2 → 2H2O is balanced.
I don't usually trust AI to answer questions, but I'm pretty sure this was actually correct. Thanks :)
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