Chemistry, 11.06.2021 15:40 alemicsho2397
Naturally occurring gallium is a mixture of isotopes
that contains 90.11% of Ga-69 (atomic mass = 68.93
u) and 9.89% of Ga-71 (atomic mass 70.92 u).
What is the average atomic mass of naturally
occurring gallium?
A) 69.93 amu
C) 69.50 amu
B) 69.12 amu
D) 69.00 amu
Answers: 3
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Naturally occurring gallium is a mixture of isotopes
that contains 90.11% of Ga-69 (atomic mass = 6...
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