# Logarithmic scale: pH scale - Logarithm

### Logarithmic scale: pH scale

In this section, we will bridge the gap between chemistry and mathematics by studying one of the many applications of logarithmic functions. We will learn about the pH Scale and explore how this logarithmic scale can be used to measure the acidity or basicity of a solution.

###### Basic concepts:

- Exponents: Division rule ${a^x \over a^y}=a^{(x-y)}$