• anonymous
A certain (fictional) element has exactly three stable isotopes which occur in different proportions in nature. Two of the masses are given in the table below. Isotope Mass (u) Abundance (%) A 93.9896 52.0 B 95.9981 16.0 C ? ? The atomic weight of the element has been calculated as 93.644. Please find the mass and abundance of isotope C
  • Stacey Warren - Expert
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  • chestercat
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  • anonymous
93.9896(52/100)+95.9981(16/100)+c(32/100)=93.644 I believe you can understand it. :)
  • anonymous
@lelia_tan Thank you, if I may ask, why did you divide them by 100?
  • aaronq
to convert the percentages to numbers. 10% = \(\dfrac{10\%}{100\%}=0.1\)

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