Asked by Cheezel

How many atoms are present in one formula unit of calcium hydrogen carbonate Ca(HCO3)2?

Could someone explain to me why the answer is 11? Thank you.
Answered by Avy
It has 1 Calcium atom (Ca), 2 Hydrogen atoms (H), 2 carbon atoms (C) and 6 Oxygen atoms (O). Adding all you get 11.
Answered by Pralipta
11×6.02×10^23
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