Chem1BL Practice Lab Final 2010

Chem1BL Practice Lab Final 2010 - CHEM. 1BL LAB FINAL...

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CHEM. 1BL LAB FINAL Saturday June 5, 4:00 – 6:00 PM , Broida 1610 *If you have a foreign language final, you can take the lab final Friday, June 4, 4:00-6:00 PM, CHEM. 1179. SCANTRON FORMS will be PROVIDED. You must BRING: 1) Reg. Card (Picture ID), PERM number 2) PENCIL (and an extra pencil) 3) CALCULATOR (no sharing calculators) QUESTIONS FROM PREVIOUS YEAR’S LAB FINAL ARE GIVEN BELOW. The Periodic Table, Equations, Constants, and Conversion factors will be given on the exam. No other notes are allowed. The final will have 20 multiple choice questions. WORK PROBLEMS IN THE LAB MANUAL!!!!!! Answers to questions are given at the end. NOTE: Taking the lab final is required to complete the course. If you do not take the lab final you will fail the course. SHOW ALL YOUR WORK ON THE EXAM. If there is a problem with your exam, we can evaluate your answers ONLY IF YOUR WORK IS SHOWN. 1. If a solution is made by mixing 30.0 mL 0.3 M NaCH 3 COO with 20 mL 0.4 M CH 3 COOH, calculate the pH of the solution? For acetic acid, K a = 1.76 x 10 -5 . 2. A weak acid, HA, is titrated with a strong base. At the equivalence point a) pH = 7 b) [HA] = [A–] c) pH > 7 d) pH < 7 3. Consider the following reaction at equilibrium: CH 3 COOH (aq) H + (aq) + CH 3 COO (aq) If NaCH 3 COO is added to the solution, will each of the following quantities increase, decrease or stay the same. a)
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This note was uploaded on 08/26/2010 for the course CHEM CHEM 1BL taught by Professor Ngyuen during the Spring '08 term at UCSB.

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Chem1BL Practice Lab Final 2010 - CHEM. 1BL LAB FINAL...

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