144 grams of C5H12 is burnt with 64 grams O2, and 44 grams of CO2 is f – McqOptions

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1.	144 grams of C5H12 is burnt with 64 grams O2, and 44 grams of CO2 is formed, what is the percentage of excess O2?
A.	0.25
B.	0.5
C.	0.75
D.	1
Answer» B. 0.5

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