What is a s0lute?

Answer 1

The solute is what's being dissolved (e.g., Table Salt)

(The solvent is what the solute is being dissolved in, e.g., Water)

Answer 2

A solute is a substance that is dissolved in a solvent to form a solution. It can be a solid, liquid, or gas that is evenly distributed throughout the solvent at a molecular level. Examples of solutes include sugar, salt, and gases like oxygen in water.