It is a container which salt may be stored inside.
The answer depends on the size of the salt container.
This is a small container for salt.
A salt cellar
13
salt and lots of it salt and lots of it
by using water in a container
no
The iodized salt and sugar in a container are a homogeneous mixture.
Using a salt keeper and putting salt in a moisture proof container servie the same purpose. Both will keep moisture out of salt. There are no benefits to the salt keeper.
I dkaj
Salt is not evaporated with water and remain as a residue.
It will be saturated salt solution with salt crystals at the bottom of the container.