9-20. (a) Calculate how many milliliters of 0.100 M HCI should be added to how many grams of sodium acetate dihy- drate (NaOAc· 2H2O, FM 118.06) to prepare 250.0 mL of 0.100 M buffer, pH 5.00. (b) If you mixed what you calculated, the pH would not be 5.00. Describe how you would actually prepare this buffer in the lab.
9-20. (a) Calculate how many milliliters of 0.100 M HCI should be added to how many grams of sodium acetate dihy- drate (NaOAc· 2H2O, FM 118.06) to prepare 250.0 mL of 0.100 M buffer, pH 5.00. (b) If you mixed what you calculated, the pH would not be 5.00. Describe how you would actually prepare this buffer in the lab.
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 49P
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