Hemoglobin (Hb) molecules in blood carry O 2 molecules from the lungs, where the concentration of oxygen
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Hemoglobin (Hb) molecules in blood carry O2 molecules from the lungs, where the concentration of oxygen is high, to the tissues where it is low (see the Interlude following Focus 5). In the tissues the equilibrium H3O+(aq) + HbO2– (aq) ⇌ HHb(aq) + H2O(l) + O2(aq) releases oxygen. When muscles work hard, they produce lactic acid as a byproduct.
(a) What effect will the lactic acid have on the concentration of HbO2–?
(b) When the hemoglobin returns to the lungs, where oxygen concentration is high, how does the concentration of HbO2– change?
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a The H in lactic acid can intera...View the full answer
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Related Book For 
Chemical Principles The Quest For Insight
ISBN: 9781464183959
7th Edition
Authors: Peter Atkins, Loretta Jones, Leroy Laverman
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