Question

A solution of `NaOH` has a concentration of `5.51*10^-3` `M`. What is the pH of this solution?

Answer 1

`pH=11.74`

Explanation:

We know that `pH+pOH=14` for water at `298K`.

`pOH=-log_(10)5.51xx10^(-3)` `=` `2.26`

`pH=14-2.26=??`