conductivity

conductivity - Conductivity April 2 2008 Section 2731/2712...

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Conductivity April 2, 2008 Section 2731/2712 Chemistry 002 Ruili Nick Hookham
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Purpose - To determine the conductivity of a solution based upon a titration and in turn calculate the number of ions in said solution. Procedure - Part 1-Measure the conductivity of an array of solutions included in the lab book but is too lengthy to reproduce here. Rinse the conductivity cell between solutions. Part 2-get unknown HCL from stock room, add ten mL of HCL to a beaker. Titrate NaOH in .5-1mL volumes and measure conductance after each one. Repeat a second time and make sure to have enough data. Part 3-Titrate NaOH with 25 mL of Acetic Acidin same manner as part 2, only one trial needed. Data - Part 1 solution conducta nce (MHO) .01M NaCl 1253mic ro
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.1M NaCl 9.13mili 1M NaCl 76.2mili .1M HCl 26.2 mili 1M HCl 165.8mil i .1M NaOH 19.2mili 1M NaOH 155.4mil i .1M Acetic 511micro 1M Acetic 1327mic ro 95% ethonol 1.24 micro tap water 270 micro DI water 8.32micr o BaSO4 53.4micr o Part 2 mL NaOH Conduct ivity mili MHO 0 35 0.5 26.4 1 22.3 1.5 20.6 2 17 2.5 17.2 3 14.8 3.5 12.2 4 13.1 4.5 10.4 5 10.2
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conductivity - Conductivity April 2 2008 Section 2731/2712...

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