Q. Based on Henderson-Hasselbalch equation, at what pH value a weak acid would be 99.9% ionized? (Solved)
1. At pH equivalent to pKa - 3
2. At pH equivalent to pKa + 3
3. At pH equivalent to pKa – 1
4. At pH equivalent to pKa + 1
- b. At pH equivalent to pKa + 3