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What is the pH of a 0.1 M solution of potassium hydrogen phthalate (KHP)?

Practice Questions

1 question
Q1
What is the pH of a 0.1 M solution of potassium hydrogen phthalate (KHP)?
  1. 4.0
  2. 5.0
  3. 6.0
  4. 7.0

Questions & Step-by-step Solutions

1 item
Q
Q: What is the pH of a 0.1 M solution of potassium hydrogen phthalate (KHP)?
Solution: KHP is a weak acid; its pKa is approximately 5.0, so the pH of a 0.1 M solution is around 5.0.
Steps: 6

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