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Titration Experiment Preview by Jennifer Klein-Wackerla

Titration Experiment Preview by Jennifer Klein-Wackerla. Titration Experiment Preview. This is a preview of the titration experiment we will be doing in class. Look through the following slides to get familiar with the setup of the lab.

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Titration Experiment Preview by Jennifer Klein-Wackerla

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  1. Titration Experiment Previewby Jennifer Klein-Wackerla

  2. Titration Experiment Preview • This is a preview of the titration experiment we will be doing in class. • Look through the following slides to get familiar with the setup of the lab. • If necessary, print off the slides for a guide while performing the experiment.

  3. Titration Experiment Preview • A ring stand, a clamp, a burette, a 250mL flask, a funnel, and a white sheet of paper are required materials • The materials should be assembled as the picture shows.

  4. Titration Experiment Preview • Using the funnel at the top, fill the burette with the HCl solution. • Be sure the stopcock of the burette is closed! • In the flask place the weighed TRIS, the distilled water, and 5 drops of the indicator.

  5. Titration Experiment Preview • Begin the titration by opening the stopcock to make the HCl solution flow dropwise into the flask. • Be sure to swirl the flask constantly so the solutions mix thoroughly.

  6. Titration Experiment Preview • Continue to add HCl solution to the flask until a color change begins (blue to green) • At this point, slow the flow even more. You actually want the solution to be more green than yellow (over titrated shown.)

  7. Titration Experiment Preview • This titration went past the equivalence point. The color should have been more greenish-yellow. • If you get a solution as yellow as the one shown, you must redo the titration.

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