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Which of the following statements is true regarding a buffer solution? (2020)

Practice Questions

Q1
Which of the following statements is true regarding a buffer solution? (2020)
  1. It resists changes in pH
  2. It has a pH of 7
  3. It can only be made from strong acids
  4. It cannot be made from weak acids

Questions & Step-by-Step Solutions

Which of the following statements is true regarding a buffer solution? (2020)
  • Step 1: Understand what a buffer solution is. A buffer solution is a special type of solution that helps keep the pH level stable.
  • Step 2: Learn that pH is a measure of how acidic or basic a solution is. A lower pH means more acidic, and a higher pH means more basic.
  • Step 3: Know that when you add a small amount of acid (which lowers pH) or base (which raises pH) to a buffer solution, it doesn't change the pH much.
  • Step 4: Realize that this ability to resist changes in pH is what makes buffer solutions important in many chemical and biological processes.
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