Question 9: 30.0 mL of a 0.20 M solution of the weak base methylamine is titrated with 0.10 M nitric acid (HNO3). The Kb of methylamine can be found in Appendix I. Calculate the pH at each volume of base addition as listed below and report your answer to two decimal places The initial pH (after 0.0 mL of nitric acid addition) is 9.94 × The pH after 10.0 mL of nitric acid addition is 9.74 x The pH after 30.0 mL of nitric acid addition is 8.34 x The pH after 60.0 mL of nitric acid addition is 11.34 x The pH after 65.0 mL of nitric acid addition is 2.28 ✓
Question 9: 30.0 mL of a 0.20 M solution of the weak base methylamine is titrated with 0.10 M nitric acid (HNO3). The Kb of methylamine can be found in Appendix I. Calculate the pH at each volume of base addition as listed below and report your answer to two decimal places The initial pH (after 0.0 mL of nitric acid addition) is 9.94 × The pH after 10.0 mL of nitric acid addition is 9.74 x The pH after 30.0 mL of nitric acid addition is 8.34 x The pH after 60.0 mL of nitric acid addition is 11.34 x The pH after 65.0 mL of nitric acid addition is 2.28 ✓
Principles of Modern Chemistry
8th Edition
ISBN:9781305079113
Author:David W. Oxtoby, H. Pat Gillis, Laurie J. Butler
Publisher:David W. Oxtoby, H. Pat Gillis, Laurie J. Butler
Chapter15: Acid–base Equilibria
Section: Chapter Questions
Problem 96AP
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