Explain dissolving, and express how boiling can reverse the process in the example of salt water

Solids, liquids, and gases can all dissolve.
Dissolving depends on the molecules of the substance doing thedissolving, called the solvent, and the molecules of the substance being dissolved, called the solute.
Dissolving is the process in which these molecules interact and attract each other to form a solution.

You would do 1500/4 and the answer is 375

The answers is a nuclear changes