Why does pH pKa at half equivalence?

Related questions

1. What pKa acidic?
2. What does pKa signify?
3. What does pKa measure?
4. Is pH equal to pKa at equivalence point?
5. What is the relationship between pKa and pH?
6. How do you calculate concentration from pH?
7. Where does pH pKa on a titration curve?
8. How pH and pKa are related?
9. What does it mean when pH is greater than pKa?
10. What is the pH of the solution at the equivalence point?

Tags

1. #because
2. #incomplete
3. #equal
4. #equivalence
5. #constant
6. #reaction
7. #therefore
8. #specific
9. #equilibrium
10. #which
11. #dissociation
12. #point