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Which pair reacts as written in C + O2 -> CO2?

AOne C atom and one O2 molecule
BTwo C atoms and one O2 molecule
COne C atom and one O atom
DOne C atom and two O2 molecules
Answer & Solution
Correct answer: A. One C atom and one O2 molecule
The implicit coefficient one before O2 denotes one oxygen molecule containing two oxygen atoms.
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