A student notices dark clouds in the sky and that the playground is wet the student reasons that it rained which scientific skil
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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:
- Ca = 1
- C = 1
- O = 3
So the number of oxygen atoms = 3
mass of Oxygen :