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What is the role of a buffer solution in a titration?

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Question: What is the role of a buffer solution in a titration?

Options:

  1. To maintain a constant pH
  2. To increase the reaction rate
  3. To provide a color change
  4. To dilute the solution

Correct Answer: To maintain a constant pH

Solution: 

A buffer solution helps maintain a constant pH during a titration, which is crucial for accurate measurements, especially in weak acid-strong base titrations.

What is the role of a buffer solution in a titration?

Practice Questions

Q1
What is the role of a buffer solution in a titration?
  1. To maintain a constant pH
  2. To increase the reaction rate
  3. To provide a color change
  4. To dilute the solution

Questions & Step-by-Step Solutions

What is the role of a buffer solution in a titration?
Correct Answer: A buffer solution helps maintain a constant pH during a titration.
  • Step 1: Understand what a titration is. It is a method used to determine the concentration of a solution by adding a solution of known concentration.
  • Step 2: Know what a buffer solution is. It is a special solution that can resist changes in pH when small amounts of acid or base are added.
  • Step 3: Recognize the importance of pH in titrations. The pH level can affect the reaction and the results.
  • Step 4: Learn that during a titration, especially with weak acids and strong bases, the pH can change quickly.
  • Step 5: Understand that a buffer solution helps keep the pH stable, allowing for more accurate measurements.
  • Step 6: Conclude that using a buffer solution in a titration is important for getting reliable results.
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