Lab6Procedure-97word - 0.372 4.60 15.00 10.00 5.00 5...

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Procedure: “Concentration and Spectroscopy,” Chemistry 116 Laboratory Manual , Department of Chemistry, 2008, pg. 15. Data Collection: Concentration of Bromocresol Green: 1.4e-4 M Test Tube Number Color Absorbance (423nm) Absorbance (617 nm) pH V (mL) of CH 3 CO 2 H V (mL) of NaCH 3 CO 2 V (mL) of Naln A Yellow 0.381 0.000 1.15 -- -- 5.00 1 Yellow 0.376 0.027 3.49 24.00 1.00 5.00 2 Lime green 0.365 0.141 4.12 21.00 4.00 5.00 3 Light green 0.322 0.225 4.38 18.00 7.00 5.00 4 Green 0.310
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Unformatted text preview: 0.372 4.60 15.00 10.00 5.00 5 Blue-green 0.272 0.490 4.79 12.00 13.00 5.00 6 Aqua 0.245 0.629 5.01 9.00 16.00 5.00 7 Light blue 0.204 0.725 5.25 6.00 19.00 5.00 8 Blue 0.181 0.876 5.62 3.00 22.00 5.00 9 Blue 0.166 0.926 6.10 1.00 24.00 5.00 B Blue 0.141 1.001 10.65----5.00 U Blue-green 0.272 0.395 4.59----5.00 Our unknown solution looked very similar to test tube number 5....
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This note was uploaded on 02/08/2011 for the course CHEM 116 taught by Professor Stevenson during the Spring '08 term at Purdue University-West Lafayette.

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