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: Principles and Reactions
8th Edition
ISBN:9781305079373
Author:William L. Masterton, Cecile N. Hurley
Publisher:William L. Masterton, Cecile N. Hurley
Chapter14: Equilibria In Acid-base Solutions
Section: Chapter Questions
Problem 29QAP: A buffer is made up of 0.300 L each of 0.500 M KH2PO4 and 0.317 M K2HPO4. Assuming that volumes are...
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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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