User:Melissa Novy/Notebook/CHEM-572/2013/01/30/2013/02/05

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==Objectives==
 
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* Analyze LMT-95Ag with X-ray diffraction.
 
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* Analyze LMT-95Ag filtrate with silver ion-selective electrode.
 
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* Begin ion exchange reaction with AgNO<sub>3</sub> and LMT to obtain LMT-100Ag.
 
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==Calculations==
 
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  '''MW AgNO<sub>3</sub>: 169.87 g/mol'''
 
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  '''MW Ag<sup>+</sup>: 107.86 g/mol'''
 
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  '''CEC Laponite: 55 meqv/100 g'''
 
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  '''1.5 g LMT × (55 meqv/100 g LMT) × (1 mol Ag<sup>+</sup>/1000 meqv) × (107.86 g Ag<sup>+</sup>/1 mol Ag<sup>+</sup>) × (1 mol Ag<sup>+</sup>/1 mol AgNO<sub>3</sub>) × (1 mol AgNO<sub>3</sub>/169.87 g AgNO<sub>3</sub>) × 100% = 0.000524 g AgNO<sub>3</sub>'''
 
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==Laponite-Ag<sup>+</sup> Ion Exchange==
 
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* The protocol from [[User:Melissa_Novy/Notebook/CHEM-572/2013/01/29|2013/01/29]] was followed.  However, the solution will be stirred for 1 week, instead of 24 hours.
 
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* Theoretical mass Laponite: 1.5 g
 
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** Actual mass Laponite: 1.49711 g
 
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* Theoretical mass AgNO<sub>3</sub>: 0.000524 g
 
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** Actual mass AgNO<sub>3</sub>: 0.00622 g
 
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* Observations: The solution became opaque and white in color after all components were added.
 
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Revision as of 15:12, 5 February 2013

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