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A 365g petroleum specimen was decomposed by wet ashing and subsequently diluted to 500 mL in a volumetric flask Cobalt was determined by treating 2500mL aliquots of this diluted solution as

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: 

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

Jun 23 2020 View more View Less

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