Chemistry Practice Problems Le Chatelier's Principle Practice Problems Solution: The binding of oxygen by hemoglobin (Hb), giving o...

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Solution: The binding of oxygen by hemoglobin (Hb), giving oxyhemoglobin (HbO2), is partially regulated by the concentration of H3O+ and dissolved CO2 in the blood. Although the equilibrium is complicated, it can be summarized as HbO2(aq) + H3 O+(aq) + CO2(g) ⇌ CO2 −Hb−H+ + O2(g) + H2 O(l)(b) Explain why the production of lactic acid and CO 2 in a muscle during exertion stimulates release of O2 from the oxyhemoglobin in the blood passing through the muscle.

Problem

The binding of oxygen by hemoglobin (Hb), giving oxyhemoglobin (HbO2), is partially regulated by the concentration of H3O+ and dissolved CO2 in the blood. Although the equilibrium is complicated, it can be summarized as 

HbO2(aq) + H3 O+(aq) + CO2(g) ⇌ CO2 −Hb−H+ + O2(g) + H2 O(l)

(b) Explain why the production of lactic acid and CO 2 in a muscle during exertion stimulates release of O2 from the oxyhemoglobin in the blood passing through the muscle.