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Sodium bicarbonate is the chemical name for baking powder. Its chemical formula is NaHCO3. What does the subscript 3 mean?



There are three molecules of sodium bicarbonate.



There are three molecules of oxygen in sodium bicarbonate.



There are three atoms of oxygen in sodium bicarbonate.



There are three atoms of sodium bicarbonate.

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MollyLM
The second one. Subscripts are always related to molecules, not atoms and only count the number of molecules of a single element unless in a form such as (CO3)2. In this case, there are 2 molecules of carbonate and 6 of oxygen
Let me know if you need further explanation
Hope this helps!

Answer:

c

Explanation:

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