In an experiment conducted by Benjamin, BA 1 which is a solution of potassium hydroxide of an unknown concentration and BA2 which is a solution of 0.1M hydrochloric acid. Pipette of 25.0vm3 was used?

It seems like there may be some missing information in your question. Can you provide more details about the experiment conducted by Benjamin? Specifically, what was the purpose of the experiment and what were the steps involved in the experiment? This will help me provide a more accurate answer to your question.

The provided context does not mention anything about using a pipette of 25.0vm3, so I cannot extract the requested data from the provided context.