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

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|colspan="2" style="background-color: #F2F2F2;" align="right"|[[{{FULLPAGENAME}}/Entry_Base|Customize your entry pages]] [[Help:Notebook/Project_Base/Customize_entry_page|<html><img src="/images/a/aa/Help.png" border="0" /></html>]]
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==Entry title==
 
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* Insert content here...
 
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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 14:31, 5 February 2013

Search this Project

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Objectives

  • Analyze LMT-95Ag with X-ray diffraction.
  • Analyze LMT-95Ag filtrate with silver ion-selective electrode.
  • Begin ion exchange reaction with AgNO3 and LMT to obtain LMT-100Ag.

Calculations

  MW AgNO3: 169.87 g/mol
  MW Ag+: 107.86 g/mol
  CEC Laponite: 55 meqv/100 g
  1.5 g LMT × (55 meqv/100 g LMT) × (1 mol Ag+/1000 meqv) × (107.86 g Ag+/1 mol Ag+) × (1 mol Ag+/1 mol AgNO3) × (1 mol AgNO3/169.87 g AgNO3) × 100% = 0.000524 g AgNO3

Laponite-Ag+ Ion Exchange

  • The protocol from 2013/01/29 was followed. However, the solution will be stirred for 1 week, instead of 24 hours.
  • Theoretical mass Laponite: 1.5 g
    • Actual mass Laponite: 1.49711 g
  • Theoretical mass AgNO3: 0.000524 g
    • Actual mass AgNO3: 0.00622 g
  • Observations: The solution became opaque and white in color after all components were added.
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