More practi Calculate the pH change that takes place when 100.0 mL of 0.0500 M NaOH are added to 400.0 mL of a buffer solution that is 0.200 M in NH, and 0.300 M in NH C1. The K, of NH, = 1.8 × 10. Answer: pH of buffer= 9.08, pH after addition of NaOH = 9.13, Change in pH = 0.05

Chemical Principles in the Laboratory
11th Edition
ISBN:9781305264434
Author:Emil Slowinski, Wayne C. Wolsey, Robert Rossi
Publisher:Emil Slowinski, Wayne C. Wolsey, Robert Rossi
Chapter25: Ph Measurements-buffers And Their Properties
Section: Chapter Questions
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More practice - adding base to a buffer 2
Calculate the pH change that takes place when 100.0 mL of 0.0500 M NaOH are
added to 400.0 mL of a buffer solution that is 0.200 M in NH, and 0.300 M in NH CI.
The K, of NH, = 1.8 × 10.
Answer: pH of buffer=
9.08, pH after addition
9.08, pH after addition
of NaOH
of NaOH = 9.13, Change in pH
= 0.05
Transcribed Image Text:More practice - adding base to a buffer 2 Calculate the pH change that takes place when 100.0 mL of 0.0500 M NaOH are added to 400.0 mL of a buffer solution that is 0.200 M in NH, and 0.300 M in NH CI. The K, of NH, = 1.8 × 10. Answer: pH of buffer= 9.08, pH after addition 9.08, pH after addition of NaOH of NaOH = 9.13, Change in pH = 0.05
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