SOLVED: The absorbance at 470 nm of the Fe(II)-phenanthroline complexwas measured for several different Fe 2 concentrations to createa calibration curve. The absorbance at each Fe 2 concentrationwas measured five times. The absorbance values, already correctedfor the blank absorbance, are shown in the table.[Fe2 Fe2 ] (μM)A1A1A2A2A3A3A4A4A5A5average yiyi(yi−¯y)2(yi−y¯)2(xi−¯x)2(xi−x¯)275.90.5820.5910.5870.5830.5880.58620.0585919.653.50.4120.4110.4210.4140.4180.41520.005062.837.70.2640.2660.2
SOLVED: The absorbance at 470 nm of the Fe(II)-phenanthroline compl…
Feb 13, 2022
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