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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
1
Expert's answer
2020-11-23T06:58:43-0500

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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