# What is the pH of a solution that has a hydronium ion concentration of #1.00 times 10^-4 M#?

##### 1 Answer

Jun 28, 2017

#### Answer:

pH = 4

#### Explanation:

To calculate the pH of a solution, use the equation

Since we are given the hydronium ion (

**The pH of this solution is 4.**

Added notes:

Some other key things to remember for pH calculations include:

pH + pOH = 14

pH = -log[

pOH = -log[

The video below explains how to use all this information so that you can complete these types of calculations.

Hope this helps!