Wednesday
April 16, 2014

Posts by Deepa( Exam prep question)


Total # Posts: 4

math
the sum of two twin numbers is 60 what are the number

chem(isotopic abundance)
oh 100-37.3 okokok thxx

chem(isotopic abundance)
where did u get 627 from?

chem(isotopic abundance)
The average atomic mass of iridium is 192.22u, if iridium-191 has an atomic mass of 190.961u and an isotopic abundance of 37.3% and iridium-193 is the only other natural occuring isotope, what is the atomic mass of iridium-193? I tried but I dont think I have the right answer....

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