The amount of iron present in the supplied sample can be estimated according to the following procedure: Step 1. Prepare approximately 0.0167 M solution of K2Cr2O7 . Step 2. Dilute the supplied sample to 250 mL in a volumetric flask and shake well (A). Take 25.00 mL of the diluted sample (A) with a pipette into a 500 mL conical flask, add 5 mL of concentrate HCl to the sample…