Chemical Reaction Equation & Stoichometry on Chemical Engineering related Questions and Answers


Question :   144 grams of C5H12 is burnt with 64 grams O2, and 44 grams of CO2 is formed, what is the percentage of excess O2?
1. 25%
2. 50%
3. 75%
4. 100%
Answer :   1 - 25%  

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