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

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quasarJose

Answer:

3 moles of Oxygen

Explanation:

The chemical formula of a compound is a representation which shows all the elements therein and the mole relationship between them expressed as subscripts.

   NaHCO₃  implies:

      1 mole of baking soda contains:

     1 mole of Na

     1 mole of Hydrogen

     1 mole of carbon

  And 3 moles of Oxygen