Chemical analysis of a germanium crystal reveals indium at a level of 0.0003091 atomic percent. Assuming that the concentration of thermally excited charge carriers from the Ge matrix is negligible, what is the density of free charge carriers (free carriers/cm3) in this Ge crystal?
7 answers
13644332370000000000
Answer : 13644332370000000000
answer =1.3724*10^19
thanks
1.54*10^17
the answer above are not make sense
1.4e17