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Unformatted text preview: ot be the person in your lab room that causes these problems!
Below is a rough outline of the titration procedure; you should elaborate and provide
further details such as the amounts used of each reagent in your laboratory report. The
outline of the procedure also contains some important information that will assist you in
performing an effective titration.
1. Preparation of the potassium iodate solution.
• You should dilute the sodium thiosulfate solution to approximately 0.05 M.
This will give you reasonable volumes for your titrations. Plan on making about
300 mL of the sodium thiosulfate solution.
2. Preparation of the iodine solution.
• Prepare 250 mL solution of potassium iodate (approximately 0.01 M), and
transfer a measured amount of this solution into the titration flasks. Prepare the
solution in a 250 mL volumetric flask and share the solution between you.
Calculate the final molarity of the potassium iodate to three significant figures.
Be sure to use volumetric glassware to transfer this iodate solution into your
This method will speed up your titrations in two ways. You will sp...
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This note was uploaded on 04/09/2013 for the course CHE CHE 2C taught by Professor Nasiri during the Spring '07 term at UC Davis.
- Spring '07