The molar ratio of oxygen to nitrogen in dissolved air is 2:1 whereas the ratio is 4:1 in atmospheric air because?
-
nitrogen is less soluble than oxygen
- oxygen is heavier than nitrogen
- nitrogen has a higher partial pressure in air
- gases are hydrated in water
The correct answer is: A
Explanation
the ratio of oxygen to nitrogen in dissolved air is 2:1 whereas the ratio is 4:1 in atmospheric air. This is because oxygen in the air has a higher solubility than other elements in the air and also there is hydrogen bonding between water and oxygen that increases its solubility.