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March 27, 2017

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Chemical analysis of a silicon crystal reveals gallium at a level of 3.091×10−8 atomic percent. Assuming that the concentration of thermally excited charge carriers from the Si matrix is negligible, what is the density of free charge carriers (free carriers/cm3) in this Si crystal?

  • CHEMISTRY - ,

    (6.023*10^23)/(12.05)=m
    m*(3.091*10^-8)*(10^-2)=

  • CHEMISTRY - ,

    This is a question from the second midterm of 3.091x by edx. Stop cheating, it's silly and pointless.

  • CHEMISTRY - ,

    antonio how did u end up here it is hypocrazy

  • CHEMISTRY - ,

    Let's play around! Go GO Go!!! FIre in you hole!

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