CHEMISTRY LABORATORY EXAMPLE FLOW CHART

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							                 CHEMISTRY LABORATORY EXAMPLE FLOW CHART




        Obtain an                   Record the                          Obtain buret from
      unknown from               unknown number                       set-up area and clamp
     the set up area             in the notebook                           according to
                                                                           instructions




  Weigh unknown on                                                   Rinse buret with small
                                    record the weight
     Balance to the                                                  amount of 0.1 M NaOH
                                     of the unknown
 appropriate number of                                                and drain into waste
                                     in the notebook
   significant figures                                                      beaker




                                                                       Fill the buret with 0.1
      Quantitatively                      Record the initial
                                                                         M NaOH and drain
    Transfer Unknown                       volume to the
                                                                       buret to a mark (into
    to 150 mL beaker                      nearest 0.01 mL
                                                                           a waste beaker)




    Add ~50 mL of DI
   water to the beaker




                                     Add titrant to
      Add 5 drops of               unknown in beaker
     indicator to the                   slowly
     beaker and swirl




                  No
                                   Has color of                yes   Record the number of
                                indicator changed                     milliliters to the end
                                 (e.g from red to                    point in the notebook
                                      blue)?                          (to the nearest 0.01
                                                                                mL)

Repeat process for each replicate until
appropriate precision is achieved


                                                                       Dispose of solutions
                                                                           according to
                                                                           instructions
Flow Chart Icons
    Preparative Step (e.g. anything to get
    ready for the experiment)


    Data Recording Step (e.g. all items that
    are recorded in notebook)


    Starting or Stopping Step (e.g. first and
    last thing you do)



    Process or Action Step (e.g. weighing)



    Decision Step (e.g. finished or not?)




    Delay or Waiting Step (e.g heating)

						
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