PracticeLabFinalChem.1BL.S08

PracticeLabFinalChem.1BL.S08 - CHEM. 1BL LAB FINAL SATURDAY...

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CHEM. 1BL LAB FINAL SATURDAY JUNE 7, 4:00 – 6:00 PM* Girvetz 1004 *If you have a foreign language final at this time, you can take the lab final Friday, June 6, 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) 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 LAB FINAL QUESTIONS FROM LAST 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 the following questions are at the end. 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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PracticeLabFinalChem.1BL.S08 - CHEM. 1BL LAB FINAL SATURDAY...

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