What is the percentage by mass of oxygen in Al 2 (SO 4 ) 3
CHEMISTRY
JAMB 2004
What is the percentage by mass of oxygen in Al2(SO4)3. 2H2O? [Al = 27, S = 32, H = 1, O = 16]
- A. 14.29%
- B. 25.39%
- C. 50.79%
- D. 59.25%
Correct Answer: D. 59.25%
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