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September 30, 2014

Homework Help: chemistry

Posted by Gloria on Thursday, April 10, 2008 at 3:26am.

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 SCNíV was 0.00050 M, the equilibrium concentration of SCNíV will be ?

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