Acid-Base Titration Lab Essential Question: What is the concentration of a hydrochloric acid (HCl) solution? Background:

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Acid Base Titration Lab Essential Question What Is The Concentration Of A Hydrochloric Acid Hcl Solution Background 1 (43.04 KiB) Viewed 9 times

Acid-Base Titration Lab Essential Question: What is the concentration of a hydrochloric acid (HCl) solution? Background: A titration is an analytical method used to determine the exact amount of a substance by reacting that substance with a known amount of another substance. In this case, there is an acid with a known volume but unknown concentration, and a base with a known concentration. The base will be added to the acid until the acid is neutralized, and the volume of base will be recorded. In this experiment, a phenolphthalein indicator will be used to show when the mixture is neutral. Phenolphthalein is colorless in acidic solutions and pink in basic solutions, and light pink in neutral solutions. Prelab: ZJ Write down the volume of liquid in the buret, and calculate the change in volume (final - initial). initial volume= mL final volume change in volume mL mL MNOH (M) stock initial volume 24 25 final volume