Accurately weigh approximately 0.07 grams of ferrous ammonium sulfate hexahydrate, (NH4)2Fe(SO4)2·6H2O. This concentration corresponds to 10 mg/L of Fe(II). Quantitatively transfer this to a 1 L volumetric flask. Add 1.0 mL of concentrated sulfuric acid. Dissolve and dilute to the mark with DI water.
what is the concentration of Fe2+ in this
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0 to 86%
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