the solubility of pure oxygen in water at 20 and 1 atm pressure is 43 mg o3 per litre of water. when air is contact with water and the air pressure is 585 torr at 20 c . how much amount of oxygen is dissolving 500ml water ? the average concentration of oxygen in air is 21.1%(v/v).
Answer (1)
24th Mar, 2021
Hello candidate,
Solubility of oxygen in pure water is given as 43 milligrams per litre of water, which means that in one litre of water 43 grams of oxygen is dissolved.
The pressure is 20 torr and the temperature is 20 degrees celsius, so using the real state equation of gas- PV= nRT, we can find out the number of moles and subsequently the amount of oxygen required from the given set of values.
Hope it was informational!!
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