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OpenStudy (anonymous):
When 10.0 mL of a Cr3+ solution was diluted to 500 mL, an absorbance of 0.126 was measured. The path length was 1.1 cm. Calculate the concentration in both the diluted solution and the undiluted solution.
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OpenStudy (aaronq):
use the formula \(Abs=\epsilon*l*c\) where Abs = absorbance, \(\epsilon\)=molar absorptivity coefficient, l=path length and c is concentration.
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