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September 2, 2015

Homework Help: chemistry

Posted by Jason on Wednesday, April 9, 2008 at 9:42pm.

The standard solution of FeSCN2+ (prepared by combining 9.00 mL of 0.200 M Fe(NO3)3 w/1.00 mL of 0.0020 M KSCN) has an absorbance of 0.510. If a trial's absorbance is measured to be 0.250 and its initial concentration of SCN– was 0.00050 M, the equilibrium concentration of SCN– will be

what formulas are there that relate absorbance and concentration ?

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