e pH of a buffer solution consistir

Chemistry
10th Edition
ISBN:9781305957404
Author:Steven S. Zumdahl, Susan A. Zumdahl, Donald J. DeCoste
Publisher:Steven S. Zumdahl, Susan A. Zumdahl, Donald J. DeCoste
Chapter1: Chemical Foundations
Section: Chapter Questions
Problem 1RQ: Define and explain the differences between the following terms. a. law and theory b. theory and...
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Directions: Read and analyze the following questions and compute for is
unknown in the given problem.
1. Calculate the pH of a buffer made up of 0.544M CH3NH2 and 0.678M
CH:NH3°CI- Ka of CH:NH2 is 1.8 x 105. The buffer is made up of CH3NH2
(weak base) and CH3NH3 CI (salt or conjugate acid)
2. Calculate the pH of buffer made of 0.500M NH3 and 0.456M NH.CI,
pKo NH3 = 4.74.
3. Calculate the pH of a buffer solution consisting of 0.96OM NH3 and 0.608M
NH4". The Ko for NH3 = 1.8 x 105. The reaction is:
NH3 + H2O = NH + OH"
item 2 and 3
Transcribed Image Text:Directions: Read and analyze the following questions and compute for is unknown in the given problem. 1. Calculate the pH of a buffer made up of 0.544M CH3NH2 and 0.678M CH:NH3°CI- Ka of CH:NH2 is 1.8 x 105. The buffer is made up of CH3NH2 (weak base) and CH3NH3 CI (salt or conjugate acid) 2. Calculate the pH of buffer made of 0.500M NH3 and 0.456M NH.CI, pKo NH3 = 4.74. 3. Calculate the pH of a buffer solution consisting of 0.96OM NH3 and 0.608M NH4". The Ko for NH3 = 1.8 x 105. The reaction is: NH3 + H2O = NH + OH" item 2 and 3
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