100.0-mL buffer solution is 0.175 M in HClO and 0.150 M in NaClO. What is the initial pH of this solution? What is the pH after addition of 895.0 mg of HBr? What is the pH after addition of 65.0 mg of NaOH?
100.0-mL buffer solution is 0.175 M in HClO and 0.150 M in NaClO. What is the initial pH of this solution? What is the pH after addition of 895.0 mg of HBr? What is the pH after addition of 65.0 mg of NaOH?
Chemistry: An Atoms First Approach
2nd Edition
ISBN:9781305079243
Author:Steven S. Zumdahl, Susan A. Zumdahl
Publisher:Steven S. Zumdahl, Susan A. Zumdahl
Chapter14: Acid- Base Equilibria
Section: Chapter Questions
Problem 100CWP: Consider 1.0 L of a solution that is 0.85 M HOC6H5 and 0.80 M NaOC6H5. (Ka for HOC6H5 = 1.6 1010.)...
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100.0-mL buffer solution is 0.175 M in HClO and 0.150 M in NaClO.
- What is the initial pH of this solution?
- What is the pH after addition of 895.0 mg of HBr?
- What is the pH after addition of 65.0 mg of NaOH?
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Step 1: Determine the data given
VIEWStep 2: Calculate the number of moles of buffer components
VIEWStep 3: Write the working formula
VIEWStep 4: Calculate the initial pH
VIEWStep 5: Calculate the moles of HBr
VIEWStep 6: Calculate the pH
VIEWStep 7: Calculate the moles of NaOH
VIEWStep 8: Calculate the pH
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