1.Calculate the ratio of conjugate base/ weak acid at pH 9.3. Show all details of your working out for each individual mathematical manipulation that you apply In each step of your working out use the chemical formulas of the compounds that constitute the weak acid and conjugate base. Provide the answer to 3 decimal places, make sure to round the result accordingly. State the final answer in a complete sentence. 2.Calculate the concentration of the weak acid and conjugate base for a total buffer concentration of 150 mM at pH 9.3. Show all details of your working out for each individual mathematical manipulation that you do apply . In each step of your working out use the chemical formulas of the compounds that constitute the weak acid and conjugate base. Provide the final answer to 3 decimal places using the unit molar ‘M’, make sure to round the result accordingly. State the final answer in a complete sentence. HCO3- (aq) -------> CO32- (aq) + H+ pKa= 10.2

World of Chemistry, 3rd edition
3rd Edition
ISBN:9781133109655
Author:Steven S. Zumdahl, Susan L. Zumdahl, Donald J. DeCoste
Publisher:Steven S. Zumdahl, Susan L. Zumdahl, Donald J. DeCoste
Chapter16: Acids And Bases
Section: Chapter Questions
Problem 51A
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1.Calculate the ratio of conjugate base/ weak acid at pH 9.3. Show all details of your working out for each individual mathematical manipulation that you apply In each step of your working out use the chemical formulas of the compounds that constitute the weak acid and conjugate base. Provide the answer to 3 decimal places, make sure to round the result accordingly. State the final answer in a complete sentence.

2.Calculate the concentration of the weak acid and conjugate base for a total buffer concentration of 150 mM at pH 9.3. Show all details of your working out for each individual mathematical manipulation that you do apply . In each step of your working out use the chemical formulas of the compounds that constitute the weak acid and conjugate base. Provide the final answer to 3 decimal places using the unit molar ‘M’, make sure to round the result accordingly. State the final answer in a complete sentence.

HCO3- (aq) ------->  CO32- (aq) + H+    pKa= 10.2

 

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