In a spectrophotometric determination of iron, you weigh out 1.00 g of a sample containing an unknown amount of iron. Yo

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In A Spectrophotometric Determination Of Iron You Weigh Out 1 00 G Of A Sample Containing An Unknown Amount Of Iron Yo 1 (55.42 KiB) Viewed 13 times

In a spectrophotometric determination of iron, you weigh out 1.00 g of a sample containing an unknown amount of iron. You perform all steps in your handout with the following modifications: dissolving your sample in a total volume of 750.00 mL in a volumetric flask, transferring 4.00 mL to a 25.0 mL volumetric flask, and diluting to the 25.0 mL mark after adding the required reagents. If the concentration of iron in your 25.0 mL volumetric flask is found to be 0.0768 mg/mL, what is the amount of iron in your original unknown sample? O 0.0480 mg O 1.92 mg O 95.0 mg O 124 mg O 360 mg