Practice problem
Buffers — Definition & Overview
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Sodium hydroxide (NaOH) is a strong base. The graph below shows changes in the pH of a buffered solution as an increasing volume of NaOH is added.
Note that the starting pH of the solution below is highly acidic (pH=1). The goal of the buffer in this case is to neutralize the solution and the base added to it.
Titration: adding a specific amount of base to neutralize the solution.
Image source: By JWSchmidt (based on copyright claims). CC BY-SA 3.0 via Wikimedia Commons
According to the graph above, at what volume of NaOH does the solution become neutralized?