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Answer to Question #146109 in General Chemistry for Pearl
Question #146109
If 50cm2 of carbon(ii)oxide were burnt in 40cm3 of oxygen, determine the gas that would be in excess and calculate the volume of the gas that would be unused
Expert's answer
2CO + O2 = 2CO2
2V 1V 2V
50 25 50
Oxygen will be in excess
Volume of unused gas = 40-25 = 15cm3 of oxygen
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