Chemistry, 08.02.2021 23:40 wittlerylee34
Naturally occurring silicon consists of three isotopes with the following isotopic masses and abundances. IsotopeIsotopic mass (u)Abundance (%) 28 Si 27.9769265327 92.2297 29 Si 28.97649472 4.6832 30 Si 29.97377022 3.0872 Calculate the average atomic mass of naturally occurring silicon to at least four significant figures.
Answers: 3
![A=\sum[(27.9769265327\times \frac{92.2297}{100})+(28.97649472\times \frac{4.6832}{100})+(29.97377022\times \frac{3.0872}{100})]](/tpl/images/1102/8397/1dfea.png)
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Naturally occurring silicon consists of three isotopes with the following isotopic masses and abunda...
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