the solute. undergoing chemical change. the solvent. changing from a solid to a gas.
I gave my students this multiple choice question: The density of 200 mL of water was determined, and then 20 grams of sugar was dissolved in the water. The student determined the density of the sugar-water solution and recorded the collected data in a table. The sugar in this investigation is

Only one answer is correct among these 4 choices:
- the solute.
- undergoing chemical change.
- the solvent.
- changing from a solid to a gas.

Could you tell me which one is correct?

the solute.