Discuss the properties of buffer solutions especially when acids and bases are added. Also discuss what happens to it when it is diluted.
Buffer solutions are solutions that have the ability to resist changes in pH when small amounts of acids or bases are added to them. They consist of a weak acid and its conjugate base or a weak base and its conjugate acid. Buffer solutions play a crucial role in maintaining the pH stability in various chemical and biological systems. When acids or bases are added to buffer solutions, specific properties come into play.
Properties of Buffer Solutions when Acids and Bases are Added:
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pH Stability: Buffer solutions exhibit a remarkable ability to resist changes in pH. When a small amount of acid is added to a buffer solution, the weak base component of the buffer reacts with the added acid, consuming it and preventing a significant decrease in pH. Similarly, when a small amount of base is added, the weak acid component reacts with the added base, preventing a significant increase in pH. Thus, buffer solutions maintain their pH within a narrow range, providing stability to the system.
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Buffer Capacity: The buffer capacity refers to the amount of acid or base that a buffer solution can neutralize without significant changes in pH. It depends on the concentrations of the weak _____ _________ _____ ________ ______ __________ _______ _________ __________ ______ _____ _________.
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