A chemist dissolves 20 g of NaCl i.e. sodium chloride in 250 ml of water. Therefore, NaCl is the solute.
The substance that has ability to dissolve in a solvent to produce a homogeneous mixture is called solute. While solvents are referred to as heterogeneous groups of structurally diverse chemicals that can be used to dissolve, dilute, or disperse other compounds.
Based on the given situation where NaCl (sodium chloride), commonly non as salt, is dissolved in water, the NaCl is called the solute. Whereas water is called a solvent that dissolves the NaCl.
You can learn more about solute at
https://brainly.com/question/23946616
#SPJ4