Expt 6 - -4 0.385 800 3.1792x10-4 0.775 1000 3.974x10-4...

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Experiment #6: Spectrophotometric Determination of Manganese in Steel: Standard Solution of KMnO 4 : [KMnO 4 ] = 0.0157g x 1 = 3.974x10 -3 M 158.04g/mol 0.025L Table 1: Concentration of Diluted Standard KMnO 4 Soln. and Absorbance Values: μL of KMnO 4 : [KMnO 4 :] (M) Absorbance: (nm) 200 7.948x10 -5 0.196 400 1.5896x10
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Unformatted text preview: -4 0.385 800 3.1792x10-4 0.775 1000 3.974x10-4 0.978 From Experiment, Unknown Absorbance value: # 1: 0.260 nm # 2: 0.264 nm From Expanded Graph of the Calibration Curve, Concentration of KMnO 4 is: # 1: (0.260 nm) = 9.0x10-5 M # 2: (0.264 nm) = 1.1x10-4 M...
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This note was uploaded on 03/10/2008 for the course CHM 417 taught by Professor Lindapham during the Spring '08 term at Cal Poly Pomona.

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