Question

100 cc each of water gas and oxygen are ignited and the resultant mixture of gas cooled at room temperature. Calculate the composition of the resultant mixture

Answer 1

50cc
2CO+O2=>2CO2
2vol 1vol 2vol
2×25 1×25 2×25
25

50cc
2H2+O2=>2H20
2vol 1vol 2 vol
2×25 1×25 2×25
25 50
Amount of used O2=25+25=50cc
Amount of unused O2=100-50=50cc
Amount of CO2 formed=50cc

Answer 2

50cc

2CO+O2=>2CO2

2vol 1vol 2vol

2×25 1×25 2×25

25

50cc

2H2+O2=>2H20

2vol 1vol 2 vol

2×25 1×25 2×25

25 50

Amount of used O2=25+25=50cc

Amount of unused O2=100-50=50cc

Amount of CO2 formed=50cc