35 cm3 of hydrogen was sparked with 12 cm3 of oxygen at 110°C and 760mm
CHEMISTRY
JAMB 1997
35 cm3 of hydrogen was sparked with 12 cm3 of oxygen at 110°C and 760mm Hg to produce steam. What percentage of the total volume of gas left after the reaction is hydrogen?
- A. 11%
- B. 31%
- C. 35%
- D. 69%
Correct Answer: B. 31%
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