State whether increasing the amount of carbon dioxide in inhaled air increased, decreased or did not change plasma pH from normal.
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Step 1: Carbon dioxide ($CO_2$) reacts with water ($H_2O$) in the blood to form carbonic acid ($H_2CO_3$). Show more…
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12. Exhaled air has a greater percentage of carbon dioxide than atmospheric air. Therefore, what chemical was added to the beaker by exhalation? 13. What happened when exhaled air was added to water? a. Did the pH increase, decrease, or stay the same? b. Does this mean the concentration of H+ ions increased, decreased, or stayed the same? 14. What happened when exhaled air was added to sodium bicarbonate? a. Did the pH increase, decrease, or stay relatively the same? b. Does this mean the concentration of H+ ions increased, decreased, or stayed relatively the same? 15. Based on the results, what conclusion can be drawn about the role played by sodium bicarbonate in this reaction?
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