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Calculate the pH of a 0.01 M solution of NaHCO3. (2023)

Practice Questions

1 question
Q1
Calculate the pH of a 0.01 M solution of NaHCO3. (2023)
  1. 8.3
  2. 9.0
  3. 7.5
  4. 8.0

Questions & Step-by-step Solutions

1 item
Q
Q: Calculate the pH of a 0.01 M solution of NaHCO3. (2023)
Solution: NaHCO3 is a weak base. The pH can be calculated using the formula pH = 7 + 0.5(pKa - log[C]). pKa of HCO3- is about 10.3, so pH ≈ 8.3.
Steps: 0

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