PracticeLabFinal1CLS06 - CHEM 1C LAB FINAL SATURDAY June 10...

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CHEM. 1C LAB FINAL SATURDAY, June 10, 4-5:30 PM* Rooms: Go to the room where your TA will be (See Room Assignments below). *If you have a foreign language final at this time, you can take the lab final Friday, June 9, 4-5:30 PM, Chem. 1179. SCANTRON FORMS will be PROVIDED. You must BRING: 1) Reg. Card (Picture ID), PERM number 2) Soft #2 PENCIL 3) CALCULATOR BUCHN 1910: Julia Ortony, Jerry LaRue, Nathan Svadlenak, Claron Ridge BUCHN 1920: Brittnee Veldman, Jasmine Hunt, Brian Lin BUCHN 1940: Mark Lingwood, Alexis Ostrowski, Susmita Bandyopadhyay CHEM. 1179: Ke Gong, Matt Kade, David Schnaars, Alfredo Quinto, John Garcia, Jessica Lehrman CHEM. 1171: Moria Sandy, Susan Beck WORK PROBLEMS IN THE LAB MANUAL!!!!!! Answers to the following questions are at the end. 1. The following equation for the reaction of alum with barium chloride is not balanced. KAl(SO 4 ) 2 •12H 2 O(aq) + BaCl 2 (s) KCl(aq) + AlCl 3 (aq) + BaSO 4 (s) + H 2 O Balance the equation and calculate the amount of barium chloride needed to react with 20 mL of 0.15 M alum solution. a) 1.2 g b) 0.6 g c) 1.9 g d) 1.0 g e) 0.5 g 2. A 12.0 gram sample of alum is heated to drive off all of the water from the solid. Predict the mass of the completely dry sample. a) 10.0 g b) 10.3 g c) 6.5 g d) 5.5 g 3. Pentane is a liquid at room temperature and pressure. Why does oleic acid dissolve in pentane, C 5 H 10 ? a) Because oleic acid has a polar group. b) Because pentane is polar. c)
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This note was uploaded on 04/07/2008 for the course CHEM 1CL taught by Professor Van koppen during the Spring '06 term at UCSB.

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PracticeLabFinal1CLS06 - CHEM 1C LAB FINAL SATURDAY June 10...

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