Table 1.3: Spectrophotometric data for finding the mole fraction of ch in Fechl
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Table 1.3: Spectrophotometric data for finding the mole fraction of ch in Fechl 24. Absorbance Mole fraction Cl 0.077 0.21 0.125 0.37 0.165 0.50 0.192 0.61 0.215 0.69 0.235 0.76 0.227 0.81 0.197 0.84 0.148 0.88 0.000 1.000 By plotting the tabulated data, we arrive at the graph shown in Figure 1.2. Figure 1.2 yields two equations which will allow us to calculate the ligandVmetal ratio for [FeCl] 2 0.35 0.3178x 0.0016 R2 0.9996 a 0.25 0.20 0.15 a 0.10 y --1.2622x 1.2626 R 0.9996 0.05 0.00 0.00 0.40 0.20 0.80 0.60 1.00 Mole Fraction Cl Figure 1.2: Absorbance versus mole fraction of Cl.Explanation / Answer
12) assume two points from the data and finding, the corrected equation y = 0.1x + 1
13) Standard calibration curve can be used to determine the concentrations in unknown sample
14) Beer's law, A = l C (y= mx)
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