Question

Connie was making sodium chloride by adding an acid to an alkali. She followed the progress of the reaction with a pH sensor. At which pH would she know that the acid and alkali had completely reacted to give a salt solution?

Answer 1

⇒Answer:

When the pH sensor hits pH=7.

⇒Explanation:

Because pH=7  is the indicator that the acid and alkali have been neutralized.