Calculate the percentage of cobalt in the original sample

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A 3.65-g petroleum specimen was decomposed by wet ashing and subsequently diluted to 500 mL in a volumetric flask. Cobalt was determined by treating 25.00-mL aliquots of this diluted solution as follows:

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Assume that the Co(II)-ligand chelate obeys Beer's law, and calculate the percentage of cobalt in the original sampl

Reference no: EM131083528

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