# How do we work out #[H_3O^+]# from #pH#?

##### 1 Answer

Jan 17, 2017

#### Answer:

Clearly, you are working out the hydronium ion concentration in a solution, where.......

#### Explanation:

Back in the day, we had to use logarithmic tables, and take the antilogarithm. These days, given a calculator, put in the

Most calculators have the