And this is what we call salting out. So we know what salting out is, but why does it actually take place? Well, to see why it takes place, let's take a look at the following picture. So, let's suppose we begin to add our sodium chloride molecules. As soon as we add the sodium chloride molecules, the ionic bond holding the sodium chloride will break. And what happens is, when we dissociate the two atoms, they will form ions.