Saved Bookmarks
| 1. |
Amospheric air has 78% N_(2): 21% O_(2): 0.9% Ar and 0.1% CO_(2) by volume. What is the molecular mass air in the atmosphere? |
|
Answer» SOLUTION :MOLECULAR mass of mixture `=(SUM %"of each")/(100)XX"Molar mass"` `=(78)/(100)xx28+(21)/(100)xx32+(0.9)/(100)xx40+(0.1)/(100)=28.-964` |
|