Which actions would increase the rate at which salt dissolves in water

Pouring more water in

Grinding, stirring and heating

Explanation:

A fine or crushed salt will dissolves faster in water because it has a lesser surface area which is one of the determinants of how fast a reaction rate can be.

Stirring also increases the speed at which salt particles come in contact with the water molecules.

Heating salt solution increases the speed at which salt particles come in contact with the water molecules