R & Ę OD
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your answers. If you answer does not match the same format but is correct...
Chemistry, 13.09.2021 06:20 iesps010411
R & Ę OD
>
your answers. If you answer does not match the same format but is correct I will go in and correct it.
1) An element has the following natural abundances and isotopic masses: 90.92%
abundance with 19.99 amu, 0.26% abundance with 20.99 amu, and 8.82%
abundance with 21.99 amu. Calculate the average atomic mass of this element.
I
2) Calculate the formula mass of Ca(NO3)2
Answers: 3
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