# In a titration, when the number of moles of the hydrogen ions equals of the number hydroxide ions, what is said to have happened?

Jun 10, 2017

Neutralization of strong acid with strong base.

#### Explanation:

Titrations can be represented by many chemical reactions, but in this question it is referring to an acid-base reaction. Acid-Base reactions can be divided into 4 types:
- strong acid + strong base
- weak acid + strong base
- strong acid + weak base
- weak acid + weak base.

A titration that compares ${H}^{+}$ ion concentration with $O {H}^{_}$ concentration is typically a strong acid + strong base titration. For all strong acid + strong base titrations where $\left[{H}^{+}\right]$= $\left[O {H}^{-}\right]$ the system is said to be neutralized with the only reagent present under the specified condition is the salt, $\left[{H}^{+}\right]$= $\left[O {H}^{-}\right]$ & pH = 7.00.