Procedure 1 cleananddrythefollowingmaterial a

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Unformatted text preview: nt when calculating the concentration of the original vinegar solution. PROCEDURE: 1. Clean and dry the following material: a. 500 mL plastic bottle Œ b. 100 mL beaker • 2. Clean and rinse the following glassware with distilled water a. 25.00 ml volumetric pipet Ž b. 250.0 mL volumetric flask • (CAUTION: These are expensive!!) c. 250 mL Erlenmeyer flask • d. 50 mL Buret ‘ 1 Chemistry 52 3. Measure exactly 25.00 mL Ž of vinegar into a clean 250.0 mL volumetric flask •. Notes: ­ Be sure to use a dry beaker to transfer the vinegar. ­ Do not put any used vinegar back in the vinegar supply. ­ Be sure to rinse your pipette with vinegar prior to using it. 4. Dilute the vinegar with deionized water to the mark on the volumetric flask •. 5. Stopper the flask • and mix the solution well. (Invert the solution slowly for at least 10 times to completely mix the contents). 6. Transfer the dilute vinegar solution to a clean and dry 500 mL plastic bottle Œ and label it with both the contents and your name. 7. Immediately was...
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This document was uploaded on 03/18/2014 for the course CHEM 52 at Los Angeles Mission College.

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