Lab 8 - Determination of an Equilibirum Constant Excel...

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Unformatted text preview: Determination of an Equilibirum Constant Excel Template Chem1310 Laboratory Copyright (c) 2003 Tatsuya Maehigashi Post Lab - Exp. 8 Determining an Equilibrium Constant 30 pts Useful Units Tabulated Data ID Total (ml) 0.00010 0.5 1 1.0 5.0 4.0 10.0 0.000010 0.144 0.10 2 2.0 5.0 3.0 10.0 0.000020 0.216 3 3.0 5.0 2.0 10.0 0.000030 0.281 4 4.0 5.0 1.0 10.0 0.000040 0.334 5 5.0 5.0 0.0 10.0 0.000050 0.371 Tabulated Results 5720.00 Intercept 9.9E-01 Part A. Determining b from Beer's Law Plot [Fe(NO 3 ) 3 ] Stock (M) Fe 3+ (ml) SCN- (ml) HNO 3 (ml) [Fe(SCN) 2+ ] (M) Abs. 470 [Fe(NO 3 ) 3 ] Diluted (M) [KSCN] Stock (M) [HNO 3 ] Stock (M) Slope = b (l/mole) Supporting Calculation (5pts for each) [Fe 3+ ] working M 1 V 1 =M 2 V 2 [Fe 3+ ] test tube 1 moles(Fe 3+ ) reactants =moles(Fe 3+ ) products 5pts for total fill 5 pts Plot - 10pts Watch out for followings.- Title, X/Y axis labeling (with units where necessary)- Overall appearance of the plot Plot of Absorbance (y-axis) vs Concentration of Iron Thiocyanate (X-axis)...
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Lab 8 - Determination of an Equilibirum Constant Excel...

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