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Propagation of Error in Solution Preparation

  • Page ID
    279714
  • Practical Exercise in Uncertainty

    Learning Objectives:

    • Apply addition, subtraction, multiplication, and division rules to propagate uncertainty.
    • Plan how to prepare a solution in lab with optimal accuracy.

    Challenge:

    You are tasked with preparing 100 mL of a 0.0010 M solution from a 1.0 M stock solution. Develop a plan that minimizes the overall uncertainty in concentration. You have access to Class A volumetric flasks, Class A transfer pipets, and Hamilton micropipets. Plans involving serial dilutions are acceptable. Don’t even think about using beakers or graduated cylinders.

    Table2-3_TolerancesVolumetricFlasks.pngTable2-4_TolerancesPipets.png

    Table2-5_TolerancesMicropipets.png

    Table3-1_UncertaintyPropagationRules.png

     

     

     

     

     

     

     

     

     

     

     

     

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