Air with a partial pressure of oxygen equal to 1.4 atm can cause toxic effects i

Question

Air with a partial pressure of oxygen equal to 1.4 atm can cause toxic effects if you breath it (for example, if you went scruba diving). If blood dissolves oxygen to the same degree as water, what is the molarity of oxygen in the blood of the partial pressure of oxygen is 1.4atm? Air with a partial pressure of oxygen equal to 1.4 atm can cause toxic effects if you breath it (for example, if you went scruba diving). If blood dissolves oxygen to the same degree as water, what is the molarity of oxygen in the blood of the partial pressure of oxygen is 1.4atm?

Explanation / Answer

Henry's law constant for oxygen dissolving in blood = 0.0374 mol/(L atm)

partial pressure of O2 = 1.4 atm

molarity of O2 in blood = Henry's law constant x partial pressure

                                    = 0.0374 mol/(L atm) x 1.4 atm

                                    = 0.052 mol / L

                                   = 0.052 M

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