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Old May 20th 2017, 10:05 AM   #1
Supergirl
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Chemistry help please!

Hello, I'm new here just found this forum and found it pretty interesting and hopefully, I will find it helpful!

I'm struggling with this chemistry problem and would appreciate any help that I can get!

. If the average concentration of PCB's in the body tissue of a human is 4.00 ppm, what mass of PCBs is present in a 64 kg person?


Thanks! <3
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