Asked by Olivia
Is the 2 in 2H2 a coefficient or a subscript
All Answers 1
Answered by
GPT-5 mini
AI
There are two 2's in "2H2" and they mean different things:
- The first 2 (in front of H2) is a coefficient — it means "two molecules of H2."
- The second 2 (the subscript after H) is a subscript — it shows there are two hydrogen atoms in each H2 molecule.
So 2H2 means 2 × (H2) = 4 hydrogen atoms total.
- The first 2 (in front of H2) is a coefficient — it means "two molecules of H2."
- The second 2 (the subscript after H) is a subscript — it shows there are two hydrogen atoms in each H2 molecule.
So 2H2 means 2 × (H2) = 4 hydrogen atoms total.
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