

MCQOPTIONS
Saved Bookmarks
1. |
4 moles each of SO2 and O2 gases are allowed to react to form SO3 in a closed vessel. At equilibrium 25% of O2 is used up. The total number of moles of all the gases present at equilibrium is? |
A. | 6.5 |
B. | 7.0 |
C. | 8.0 |
D. | 2.0 |
Answer» C. 8.0 | |