chem lab exp. 3 (ii)

chem lab exp. 3 (ii) - Laboratory 5 Kinetics I Name:...

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Laboratory 5 Kinetics I Name: Norkhairin Yusuf Section: Section 50, Monday 2 PM Performed: 12 January 2009 Submitted: 19 January 2009 Lab Instructor: Paul Madden Your Signature ___________________________________ Purpose:
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with an indicator. Procedure: Lab procedure is referred to the lab manual on experiment #3 Acid-Base Titrations As for - IV. CONCENTRATION OF UKNOWN ACID SAMPLE We were supposed to do 5 trials of acid-base titrations but since we ran out of unknown acid sample, we only manage to do 4 trials of acid-base titrations. Data Tables: PART III: STANDARDAIZATION of NaOH TITRANT Table 1: Molarity of NaOH Titrate mL NaOH mL NaOH mL NaOH Trial g KHP Moles KHP Final Initial Used M NaOH 1 0.652 0.003 19 17.5 3.2 14.3 0.2231 2 0.610 0.002 99 30.0 17.5 12.5 0.2392 3 0.668 0.003 27 44.6 30.0 14.6 0.2240 4 0.673 0.003 30 21.4 7.3 14.1 0.2340 5 0.660 0.003 23 34.8 21.4 13.4 0.2410 Avera
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This note was uploaded on 03/18/2010 for the course COS 101121501 taught by Professor Langner during the Fall '08 term at RIT.

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chem lab exp. 3 (ii) - Laboratory 5 Kinetics I Name:...

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