Jawabanmu

Jawaban paling cerdas!
2014-05-27T06:23:40+07:00
Isotop Ga-69 60%
Isotop Ga-71 40%
Ar Galium??

Ar Galium= (kelimpahan Ga-69 x Ar Ga-69 + kelimpahan Ga-71 x Ar Ga-71)
               = (60/100 x 69 + 40/100 x 71)
               = (0,6 x 69 + 0,4 x 71)
               = (41,4 + 28,4)
Ar Galium= (69,8)



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