Thursday, August 11, 2011
What is the millimolar concentration of dissolved oxygen for a lake or stream at atmospheric pressure...?
Atmospheric pressure is 1.00 atm, but air is only composed of 21.0% (by moles) oxygen. Thus, the partial pressure of oxygen in air is less than 1.00 \rm atm. What is the millimolar concentration of dissolved oxygen for a lake or stream at atmospheric pressure and a temperature of 20 C?
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