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CGP EDU Academic Team
Published on: August 14, 2026
How many atoms of oxygen are present in 300 g of CaCO 3 ?
Text Solution
Verified by ExpertsThe correct answer is:
CHECK THE SOLUTION
Sol. Gram formula mass of CaCO 3 = 100g
Now, 1 mole of CaCO 3 contain
= 3 mole of O atoms.
Or 100 g of CaCO 3 contain
= 3 × 6.02 × 10 23 O atoms
∴ 300 g of CaCO 3 contain O atoms
= 
= 5.4207 × 10 24 Oxygen atoms.
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