Saved Bookmarks
| 1. |
20. if average molecular weight of air is 29, then assuming N2 and O2 gases are there which option are correct regarding composition of air : 1] 75% by mass ofN2 2] 75% by moles of N2 3] 72.41% by mass of N2 |
| Answer» 20. if average molecular weight of air is 29, then assuming N2 and O2 gases are there which option are correct regarding composition of air : 1] 75% by mass ofN2 2] 75% by moles of N2 3] 72.41% by mass of N2 | |