an iron ore weighing 83245 g was placed in a flask

5.00 mL sample of brandy was diluted to 1.00 L in a volumetric flask. The ethanol (C2H5OH) in a 25.00 mL aliquot of the diluted solution was distilled into 50.00 mL of 0.02000 M K2Cr2O7 and oxidized to acetic acid with heating. After cooling, 20.00 mL of 0.1253 M Fe2+ were pipetted into the flask

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