AP Chemistry Exam Prep

Category - AP Chemistry

What is the primary purpose of adding a buffer to a solution?
  1. Reduce the pH of the solution
  2. Raise the pH of the solution
  3. Dilute the solution
  4. Stabilize the pH of the solution
  5. Precipitate solid out of the solution
Explanation
Answer: Stabilize the pH of the solution

Buffers are typically used to stabilize the pH of a solution. They will resist changes in pH when small amounts of acid or base are added to the solution.
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