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Essay

Percent Mass of Copper in a Penny

Essay specific features

 

Issue:

Miscellaneous

 

Written by:

Justin M

 

Date added:

April 21, 2016

 

Level:

University

 

Grade:

A

 

No of pages / words:

5 / 1136

 

Was viewed:

3064 times

 

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Essay content:

Using Beer’s Law in this lab a colorimeter is used to find the absorbance and from this the concentration of dissolved Cu2+ ions can be found and percent mass calculated. The techniques used in this lab are useful in that they provide little human error for various parts of the lab by taking the measurements by a colorimeter human error is reduced...
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The techniques used in this lab are useful in that they provide little human error for various parts of the lab by taking the measurements by a colorimeter human error is reduced. Experimental Procedure Equations Used M1V1=M2V2, Beers Law: A=elc+b, Morality= M = (mols of solute)/ (Liters of Solution) Reaction: 3Cu(s) + 8 H3O+ (aq) + 2NO3- (aq) ? 3Cu2+(aq) + 2NO (g) + 12 H2O (l) Cu(s) + 4 H3O+ (aq) + 2NO3- (aq) ? Cu2+(aq) + 2NO2 (g) + 6 H2O (l) Zn (s) + 2H3O+ (aq) ? Zn2+ (aq) + 2H2O(l) + H2 (g) First weigh a post 1982 penny...
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General issues of this essay:
A Brilliant Solution Book Review On "Not a penny more not a penny less" Chemalite Solution Financing Solution Its The Possible Solution Knicks solution problem solution A Sensible Solution Proposing a Solution Percent Mass of Copper in a Penny problem solution serial dilutions Solution to Homlessness The final solution Solution
 

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