The pH of blood is buffered by a mixture of HCO3- (bicarbonate) and H2CO3 (carbonic acid). i. Write out an equation that shows a reaction of H+ with HCO3- iii. Recall that H2CO3 (aq) decomposes readily. Write a chemical equation to describe this decomposition.

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Chapter16: Acid-base Equilibria
Section: Chapter Questions
Problem 16.157QP: Weak base B has a pKb of 6.78 and weak acid HA has a pKa of 5.12. a Which is the stronger base, B or...
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3. The pH of blood is buffered by a mixture of HCO3- (bicarbonate) and H2CO3 (carbonic acid).
i. Write out an equation that shows a reaction of H+ with HCO3-
iii. Recall that H2CO3 (aq) decomposes readily. Write a chemical equation to describe this decomposition.
 
 
 
 

The pH of blood is buffered by a mixture of HCO3- (bicarbonate) and H2CO3 (carbonic acid).

  • Write out an equation that shows a reaction of H+ with HCO-3.
  • Recall that H2CO3 (aq) decomposes readily. Write a chemical equation to describe this decomposition.
  • Consider your response to the last question and explain how bicarbonate and carbonic acid are generated by the dissolving of CO2 in water (Hint: The reaction for “ii” is reversible.)
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