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A buffer solution is prepared which is 0.190 M both in lactic acid (CH3CHOHCO₂H) and in sodium lactate (CH3CHOHCO₂Na). Ka 1.38x10-4 for lactic acid. What is the pH of this solution? = 3.860 You are correct. Your receipt no. is 153-8423 Previous Tries When 1.96 mL of 0.100 M HCI is added to 12.0 mL of this buffer solution, what is resulting change in pH? 2.073 Submit Answer Incorrect. Tries 9/99 Previous Tries

A buffer solution is prepared which is 0.190 M both in lactic acid (CH3CHOHCO₂H) and in sodium lactate (CH3CHOHCO₂Na). Ka 1.38x10-4 for lactic acid. What is the pH of this solution? = 3.860 You are correct. Your receipt no. is 153-8423 Previous Tries When 1.96 mL of 0.100 M HCI is added to 12.0 mL of this buffer solution, what is resulting change in pH? 2.073 Submit Answer Incorrect. Tries 9/99 Previous Tries

Chemistry
Chemistry
10th Edition
ISBN:9781305957404
Author:Steven S. Zumdahl, Susan A. Zumdahl, Donald J. DeCoste
Publisher:Steven S. Zumdahl, Susan A. Zumdahl, Donald J. DeCoste
Chapter1: Chemical Foundations
Section: Chapter Questions
Problem 1RQ: Define and explain the differences between the following terms. a. law and theory b. theory and...
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A buffer solution is prepared which is 0.190 M both in lactic acid (CH3CHOHCO₂H) and in sodium lactate (CH3CHOHCO₂Na). = 1.38x10-4 for lactic acid. Ka What is the pH of this solution? 3.860 You are correct. Your receipt no. is 153-8423 7 Previous Tries When 1.96 mL of 0.100 M HCI is added to 12.0 mL of this buffer solution, what is resulting change in pH? 2.073 Submit Answer Incorrect. Tries 9/99 Previous Tries
Transcribed Image Text:A buffer solution is prepared which is 0.190 M both in lactic acid (CH3CHOHCO₂H) and in sodium lactate (CH3CHOHCO₂Na). = 1.38x10-4 for lactic acid. Ka What is the pH of this solution? 3.860 You are correct. Your receipt no. is 153-8423 7 Previous Tries When 1.96 mL of 0.100 M HCI is added to 12.0 mL of this buffer solution, what is resulting change in pH? 2.073 Submit Answer Incorrect. Tries 9/99 Previous Tries
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