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Acids and Bases: Buffers
Problems and Solutions
Problem :
What is the ratio of base to acid when pH = pK a in a buffer? How about when pH = PK a + 1?
Problem :
Explain why the pK a of a buffer should be as close as possible to the desired pH.
Problem :
What is the pH of a buffered solution of 0.5 M ammonia and 0.5 M ammonium chloride when enough hydrochloric acid is dissolved to make it 0.15 M HCl? The pK b of ammonia is 4.75.
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