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.	25%
B.	50%
C.	75%
D.	100%
Answer» B. 50%

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