Question

the saturated value of DO is approximately​

Answer 1

Explanation:

Relatively the amount (volume) of DO in water is much less, 5.3 ml in a litre of air-saturated water at 30°C i.e. about 0.5% - by weight the proportion is still less - 7.6 mg in a litre or kg of water (

Answer 2

Answer:

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Explanation:

As oxygen in the atmosphere is about 20.3%, the partial pressure of oxygen at sea level (1 atm) is 0.203 atm. Thus the amount of dissolved oxygen at 100% saturation at sea level at 20° C is 9.03 mg/L