What is the percentage by weight of calcium in Ca(OCI) 2 ? [Ca = 40,
CHEMISTRY
WAEC 2009
What is the percentage by weight of calcium in Ca(OCI)2? [Ca = 40, Cl = 35.5, O = 16]
- A. 28.0%
- B. 31.6%
- C. 43.8%
- D. 44.5%
Correct Answer: A. 28.0%
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