Assignment 5 - K for the reaction if Cl 2 ( aq ) is reduced...

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Quantitative Analysis Assignment #5 Due 11/17/04 Electrochemistry and Titrations The attached article describes a possible electrochemical reaction responsible for the corrosion of copper pipes. Of course, it isn’t as simple as a garden variety redox reaction as the ongoing research indicates. You can find a copy of this article: , August 18, 2003, pp. 51-53. 1) Calculate , , and
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Unformatted text preview: K for the reaction if Cl 2 ( aq ) is reduced to Cl-( aq ) and a) Cu (s) is oxidized to Cu + ( aq ), and b) Cu( s ) is oxidized to Cu(OH) 2 ( s ). Would either reaction spontaneous? 2) A 250 mL unknown sample of V 3+ was titrated with 42.4 mL of 0.03 M EDTA to excess. The EDTA was back titrated with 14.3 mL 0.01 M Zn 2+ . What was the concentration of vanadium in the unknown solution?...
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