If the bicarbonate ion (HCO3-) concentration in a sample of blood is 0.270 M, determine the carbonic acid (H2CO3) concentration required to buffer the pH of blood at pH = 7.45. H2CO3(aq) ⇌ HCO3-(aq) + H+(aq) Ka = 5.3 × 10-7 Show all calculations including equation(s) used. Provide your final answer to 3 decimal places.

Chemistry
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ISBN:9781305957404
Author:Steven S. Zumdahl, Susan A. Zumdahl, Donald J. DeCoste
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Chapter14: Acids And Bases
Section: Chapter Questions
Problem 7RQ: Table 13-4 lists the stepwise Ka values for some polyprotic acids. What is the difference between a...
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If the bicarbonate ion (HCO3-) concentration in a sample of blood is 0.270 M, determine the carbonic acid (H2CO3) concentration required to buffer the pH of blood at pH = 7.45. 

              H2CO3(aq)    HCO3-(aq) + H+(aq)                                 Ka = 5.3 × 10-7

Show all calculations including equation(s) used. Provide your final answer to 3 decimal places.

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