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Chemistry: Lead Tartrate.

  1. Apr 20, 2009 #1
    Hello,

    For my lab I was instructed to weigh out 1 gram of Lead Tartrate (PbC4H4O6)
    and place it into a test tube. I was then told to hold the tube over the lit burner until the lead tartrate was completely black and smoke was no longer forming. I was then told to pour the black powder into a plastic container. As soon as it was released from the test tube the black powder burst into flames and released a yellow/green smoke.

    I need to know what the black powder was (a pyrophoric version of lead maybe?) and if the reaction to oxygen in the air changed the black powder.

    Any help would be wonderful, thanks.
    1. The problem statement, all variables and given/known data



    2. Relevant equations



    3. The attempt at a solution
     
  2. jcsd
  3. Apr 22, 2009 #2

    chemisttree

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  4. Apr 22, 2009 #3
    This is spectacular! Thank you very much.
     
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