ro741288 ro741288

12-08-2021
Chemistry

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11. How many oxygen atoms are there in one formula unit of Ca2+?

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mikhaeldonbosco mikhaeldonbosco

17-08-2021

Answer:

NO3 has 3 atoms of oxygen in it per molecule (indicated by the subscript of 3) and (NO3)2 means you have 2 NO3 molecules, meaning you double the subscript to get 6 oxygen atoms.

Explanation:

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