kennajaye4841 kennajaye4841
  • 07-03-2024
  • Chemistry
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Naturally occurring gallium contains two isotopes: 69Ga (60.11%) and 71Ga (39.89%). What is the estimated atomic weight of gallium to three significant figures?
a) 68.9
b) 69.
c) 70.6
d) 71.4

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