You test a hypothesis by carrying out an experiment.
Solute the solute is what is being dissolved the solvent is what is doing the dissolving
For some reason I can’t see the picture upload the picture again and I’ll help you or send me the link of your new question in the comments
Other physicists would probably perform it to test if his conclusion from the data was correct, and to test to see if the data is consistent with more than one trial.
