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A 3.65-g petroleum specimen was decomposed by wet ashing and subsequentlydiluted to 500
Chapter 14, Problem 14-7(choose chapter or problem)
A 3.65-g petroleum specimen was decomposed by wet ashing and subsequentlydiluted to 500 mL in a volumetric flask. Cobalt was determined hy treating25.00-mL aliquots of this diluted solution as follows:Assume that the Co(II)-ligand chelate obeys Beer's law, and calculate the percentageof cohalt in the original sample.
Questions & Answers
QUESTION:
A 3.65-g petroleum specimen was decomposed by wet ashing and subsequentlydiluted to 500 mL in a volumetric flask. Cobalt was determined hy treating25.00-mL aliquots of this diluted solution as follows:Assume that the Co(II)-ligand chelate obeys Beer's law, and calculate the percentageof cohalt in the original sample.
ANSWER:Step 1 of 3
Absorbance is basically a determination of the amount of light that gets absorbed by a particular sample. Absorbance also gets termed as optical density. As per Beer’s law, absorbance directly relies over the path length.