Calculate the volume in cm3 of oxygen evolved as s.t.p. when a current of 5...
CHEMISTRY
JAMB 2013
Calculate the volume in cm3 of oxygen evolved as s.t.p. when a current of 5 A is passed through acidified water for 193s {F = 96500 Cmol-1, Molar volume of a gas at s.t.p. = 22.4 dm3
- A) 224.000 dm3
- B) 0.056 dm3
- C) 0.224 dm3
- D) 56.000 dm3
Correct Answer: B) 0.056 dm3
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The answer is 56,
000. The question says in cm, so you have to convert your answer which is 0.0056dm to cm by multiply it by 1000