

MCQOPTIONS
Saved Bookmarks
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%View answer |
Answer» B. 50% | |