Answer and explanation

Correct answer: A. The point where acid and base are in exact stoichiometric amounts

  1. Step 1: At the equivalence point the moles of acid equal the moles of base according to the reaction equation.
  2. Step 2: Its pH is 7 only for a strong acid with a strong base.
Answer
The point where acid and base are in exact stoichiometric amounts.
Why not the others: Adding the indicator and emptying the burette are not the equivalence point.

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