jcik83 jcik83
  • 22-09-2020
  • Chemistry
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Help please!!?!!??!!

Help please class=

Respuesta :

urkynjaleanabh
urkynjaleanabh urkynjaleanabh
  • 29-09-2020

Answer:

65.38 u

Explanation:

Change each percent abundance into decimal form (by dividing by 100) then multiply each by the atomic mass of it's isotope. Add together each isotope to get the average atomic mass of the element.

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