Question

To measure the iron in vegetables, iron must be extracted and complexed with 1,10-phenanthroline to create iron(ii)tris(phenanthroline). An aliquot of a 50 ml sample measured in the lab was found to have an absorbance of 1.02 when measured in a cell with a path length of 1.00 cm. The molar absorptivity of iron(ii)tris(phenanthroline) at 508 nm is 1.11 x 104 m-1 cm-1.

Answer 1

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