Experiment 1 - Experiment 1 Calibrating a Pasteur Pipette...

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Experiment 1 – Calibrating a Pasteur Pipette Discussion The volumes were exactly the same for each of the three trials using 0.5 mL of water. However, it took five trials to hit the exact 0.5 mL mark three times in succession. These are the volumes I drew up what I thought was approximately 0.5 mL of water for the first five trials: 0.75 mL, 0.43 mL, 0.52 mL, 0.60 mL, and 0.55 mL. Except the first result, they all fell within the 0.1 mL range from the 0.5 mL mark. Some of these differences in volumes were most likely due to air bubbles in the Pasteur pipette. Because the air bubbles took up some space, I drew up water to the level a bit higher than the one I made a mental note of initially. The volumes were exactly the same for each of the three trials using 1.0 mL of water as well. However, it took four trials to hit the exact 1.0 mL mark three times in succession. These are the volumes of the first four trials: 0.9 mL, 1.2 mL, 0.85 mL, and 0.97 mL. Except the third result, they all fell within the 0.1 mL range of the 1.0 mL mark. Some of these differences were
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This note was uploaded on 07/26/2011 for the course CHEM 3AL taught by Professor Li during the Spring '08 term at University of California, Berkeley.

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Experiment 1 - Experiment 1 Calibrating a Pasteur Pipette...

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