The objective of this experiment is to determine the lowest concentration of a substance dissolved in water which can still be tasted.
Substances used are sugar, salt, and vinegar.
With the 100 mL graduated cylinder, measure out 90 mL of water and pour it into a clean beaker. Add 10 g of sugar. Stir to mix well. Rinse your mouth with plain water and wipe your tongue dry with a clean paper towel. Add 90 mL of water and stir.