kbrandenburgh07 kbrandenburgh07

12-09-2022
Chemistry

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Boron has an average atomic mass of 10.81. One isotope of boron has a mass of 10.012938 and a
relative abundance of 19.80 percent. The other isotope has a relative abundance of 80.20 percent.
What is the mass of that isotope? Report to two decimal places.
DONE
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