Chemistry, 05.07.2019 08:30 aduncan3426
The element loncapium has three isotopes. the first lc-82 has a mass of 81.2372 amu and makes up 47.36% of a standard sample. the second isotope, lc-83, has a mass of 82.5759 amu and makes up 38% of a standard sample. the third isotope, lc-85 has a mass of 84.0536 amu and makes up the remainder of the sample. what is the average atomic mass of this element?
Answers: 1
Chemistry, 22.06.2019 04:00
Tin has ten stable isotopes. the heaviest, 124sn, makes up 5.80% of naturally occuring tin atoms. how many atoms of 124sn are present in 82.0 g of naturally occurring tin? what is the total mass of the 124sn atoms in this sample?
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The element loncapium has three isotopes. the first lc-82 has a mass of 81.2372 amu and makes up 47....
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