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24 ml. of water gas containing only hydrogen and carbon monoxide in equal proportions by volume, are exploded with 80 ml. of air, 20% by volume of which is oxygen. If all gaseous volumes are measured at room temperature and pressure, calculate the composition by volume of the resulting gaseous mixture.

24 ml. of water gas containing only hydrogen and carbon monoxide in equal proportions by volume, are exploded with 80 ml. of air, 20% by volume of which is oxygen. If all gaseous volumes are measured at room temperature and pressure, calculate the composition by volume of the resulting gaseous mixture.

Grade:11

1 Answers

Mokshaa Annadurai
13 Points
5 years ago
(I) 2H2 + O2 ---------> 2H2O (liquid)
(II) 2CO + O2 ---------> 2CO2 (12 ml)
Total oxygen used 6+6=12 ml
Total oxygen present in 80 ml of air = 80× 20/100= 16 ml
Unused=4 ml
N2 = 64 ml
CO2 = 12 ml

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