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Carbon Dioxide Can React with Water to Produce Bicarbonate and Hydrogen

question 123

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Carbon dioxide can react with water to produce bicarbonate and hydrogen ions through 2 reversible reactions as follows:
CO2 + H2O "H2CO3 "H+ + HCO3-
Blood flows from arteries into capillaries and then into veins. As the blood moves through the capillaries, carbon dioxide produced by the cells enters the blood. Therefore, venous blood has a higher pH than arterial blood.


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