We did a lab that went over the concentration of stocks which involved diluting a stock of food colored water until the coloring had disappeared. Overall, it was a fun simple lab that got us into the new unit.
Here's a website that goes over it.
chemteam
The Dilution lab demonstrates very well the theory of dilution in solutions. The more volume of the solute the greater the concentration, and the more the volume of the solvent, the less the concentration is. By your post and the pictures, I now understand that the more solvent that is in the solution, the less the concentration the solution will have.
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