Visualizing ConceptsA buffer contains a weak acid, HA, and
Chapter , Problem 3E(choose chapter or problem)
Problem 3E
Visualizing Concepts
A buffer contains a weak acid, HA, and its conjugate base. The weak acid has a pKa of 4.5, and the buffer has a pH of 4.3. Without doing a calculation, state which of these possibilities are correct (A) [HA] = [A-] (b) [HA] 7 [A-], or (c) [HA] 6 [A-].
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