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September 17, 2014

Homework Help: chemistry

Posted by 496935sd on Friday, March 26, 2010 at 6:58pm.

A copper wire weighing 5.463g was dissolved in excess nitric acid, precipitated as copper(2)carbonate with excess sodium carbonate, and then converted tooo copper(2) sulfate pentahydrate using excess sulfuric acid. A student carrying out these reactions produced 20.021g of copper(2) sulphate pentahydrate. What was the students percentage yield?it is a 2 step process, come up with 2 reactions and do the stochiometric method twice.
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