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Unformatted text preview: compound was dropped into the tubes. For part c, it seemed like the more drops of Potassium Iodide that were added to the tubes, the more precipitate and more solid seemed to form at the bottom and top of the tube with liquid in the middle. It was also very important in this lab to make sure each tube was properly marked. There were very many tubes and it did get a little confusing at some point when mixing all the different chemicals. The lab taught the proper techniques for determining a chemical equation for the precipitate and the formula for the compound. It also taught how to properly balance an equation and predict the products. For the tubes that had more drops of KI in them reacted very well when more KI was added to the solution except for the final tube which had the most KI in it. When lead nitrate was added, a precipitate however didn’t form until the final test tube....
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This note was uploaded on 04/17/2008 for the course CHEM 121 taught by Professor Wyzlouzil during the Spring '07 term at Ohio State.
- Spring '07