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In the Titration lab, you will perform an acid-alkali titration.

About This Simulation

Titration, also known as titrimetry, is a common laboratory method of quantitative chemical analysis that is used to determine the unknown concentration of an identified analyte. Since volume measurements play a key role in titration, it is also known as volumetric analysis. A reagent, called the titrant or titrator is prepared as a standard solution. A known concentration and volume of titrant reacts with a solution of analyte or titrand to determine concentration. The volume of titrant reacted is called titration volume.

The word “titration” comes from the Latin word titulus, meaning inscription or title. The French word titre, also from this origin, means rank. It originated in late 18th-century France. François-Antoine-Henri Descroizilles developed the first burette (which was similar to a graduated cylinder) in 1791. Joseph Louis Gay-Lussac developed an improved version of the burette that included a side arm, and coined the terms “pipette” and “burette” in an 1824 paper on the standardization of indigo solutions. A major breakthrough in the methodology and popularization of volumetric analysis was due to Karl Friedrich Mohr, who redesigned the burette by placing a clamp and a tip at the bottom, and wrote the first textbook on the topic, Lehrbuch der chemisch-analytischen Titrirmethode (Textbook of analytical-chemical titration methods), published in 1855.

In this lab, you will perform an acid-alkali titration. You will have a beaker full of acid with unknown concentration. You only have the alkali and the pH indicator to help you determine the acid’s concentration. How exactly will you do that?



Learning Objectives

  • Learning the main concepts of acid-alkali titration
  • Understanding how to set up the apparatus to perform a titration experiment
  • Understanding how to perform all the steps needed in a titration experiment
  • Understanding how to analyse titration results

Techniques In This Simulation

  • Acid-base titration


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