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lab

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Issue:

Science

 

Written by:

Amanda A

 

Date added:

October 23, 2013

 

Level:

University

 

Grade:

A

 

No of pages / words:

3 / 646

 

Was viewed:

778 times

 

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Essay content:

The idea of this lab is to try to recover as close to 100% of the copper we started with. Theoretically, this is possible, but for inexperienced college students, retrieving 100% of the copper metal is near impossible. There are five reactions that the copper will go through. 1. 3Cu(s) + 8HNO3(aq) + O2 ?? 3Cu(NO3)2(aq) + 4H2O(aq) + 2NO2(aq) 2...
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3Cu(NO3)2(aq) + 2NaOH(aq) ?? Cu(OH)2(s) + 2NaNO3(aq) 3. Cu(OH)2(s) ?? CuO(s) + H2O(aq) 4. CuO(s) + H2SO4(aq) ?? CuSO4(aq) +H2O(aq) 5. CuSO4(aq) + Zn(s) ?? ZnSO4 + Cu(s) At the end of reaction number five we should have close to 100% of the copper we started out with. Meth Obtain as close to .5g of copper wire, and record the mass to the closest mg...
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