The number of oxygen atoms = 3
Mass = 24 g
<h3>Further explanation</h3>
The formula of a compound shows the composition of the constituent elements
CaCO₃ is composed of 3 types of elements, namely Ca, C and O
The amounts of each of these elements in the compound CaCO₃:
So the number of oxygen atoms = 3
mass of Oxygen :

Answer:
I think it was Hillary Clinton.
Explanation:
The answer should be 479 i could possibly be wrong but that’s what i got because one mole is 47.90 grams
1 and 5 are definitely significant. The zeros might not be significant .
Answer: I believe it is critical mass
Explanation: