Le Chateliers

Le Chateliers - Le Chatelier’s Principle March 4th 2008 Lab Section 2107 Course Number 4103 Simon Duri Amanda Quella Purpose To predict how the

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Le Chatelier’s Principle March 4 th , 2008 Lab Section 2107 Course Number 4103 Simon Duri Amanda Quella
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Purpose : To predict how the equilibrium of a chemical reaction will be maintained when certain aspects of the reaction are changed. Procedure: 1. Two water baths, one hot and one cold, were prepared. Part I 1. 2 test tubes were labeled NaHSO 4 and Na 2 SO 4 2. The NaHSO 4 test tube was filled with approximately 5 mL of NaHSO 4 solution 3. The Na 2 SO 4 test tube was filled with approximately 5 mL of Na 2 SO 4 solution 4. 10 drops of NaHSO 4 solution were put in wells A1, A2, and A3 5. 20 drops of NaHSO 4 solution were put in wells A4 and A5 6. 1 drop of thymol blue was added to wells A1-A5, the color was recorded 7. Drops of Na 2 SO 4 were added to well A1 until a color change appeared, the color was recorded 8. Crystals of NaHSO 4 were added to well A3 until a color change appeared, the color was recorded 9. The solution from well A4 was inverted into a beral pipet and placed into the hot water bath and the cold water bath separately. The color was recorded 10.The solution from well A5 was inverted into a beral pipet and placed into the cold water bath and the hot water bath separately. The color was recorded Part II 1. Approximately 5 mL of 1.0 M MgCl 2 solution was placed into a labeled test tube 2. 20 drops of the solution were added to wells B1-B4 3. 1 drop of phenolphthalein was added each to wells B1-B4
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This note was uploaded on 04/18/2008 for the course CHEM 102 taught by Professor Haworth during the Spring '08 term at Marquette.

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Le Chateliers - Le Chatelier’s Principle March 4th 2008 Lab Section 2107 Course Number 4103 Simon Duri Amanda Quella Purpose To predict how the

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