Determine the molar absorbtivity of the solution
An unknown concentration of a solution gave a Percent Transmittance of 68% under Spectronic 20 passing through 8mm path length. Calculate its concentration given that the molar absorbtivity of the solution is 0.723 L mol-1cm-1.
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A solution containing Pt4+ is electrolyzed with acurrent of 3.60 A. How many minutes will it take to plate out 89.0 percent of the platinum in 0.550 L of a 0.0150 M solution of Pt4+?
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