Tuesday
September 30, 2014

Homework Help: chemistry

Posted by emily on Tuesday, March 15, 2011 at 7:54pm.

Fe3+ is added to excess Ag+ prior to titration with KSCN. When all the excess Ag+ has reacted, the red complex of Fe(SCN)2+ forms. This red complex is visible when the [SCN-] is about 2x10^-4M. at this pt. >99% (but not all) of the Ag+ has precipitated. Calc. the Ag+ when the Fe(SCN)2+ forms.

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