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Solution:
The molar mass of CaO is 40.08 (Ca) + 16.00 (O) = 56.08 g/mol.
Now, for the percentage composition:
- Percentage of Ca = (40.08 / 56.08) * 100 71.43%
- Percentage of O = (16.00 / 56.08) * 100 28.57%
Therefore, the percentage composition of CaO is approximately 71.43% Ca and 28.57% O.
Added 10/22/2023 6:49:30 AM
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