Problem #3b: Naturally occurring silicon consists of 3 isotopes, Si-28, Si-29 and Si-30, whose atomic masses are 27.9769, 28.9765 and 29.9738 respectively. The most abundant isotope is Si-28 which accounts for 92.23% of naturally occurring silicon. Given that the observed atomic mass of silicon is 28.0855 calculate the percentages of Si-29 and Si-30 in nature.

Chemistry
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Problem # 3b: Naturally occurring silicon consists of 3 isotopes, Si-28, Si-29 and Si-30, whose
atomic masses are 27.9769, 28.9765 and 29.9738 respectively. The most abundant isotope is
Si-28 which accounts for 92.23% of naturally occurring silicon. Given that the observed atomic
mass of silicon is 28.0855 calculate the percentages of Si-29 and Si-30 in nature.
M
Transcribed Image Text:cent Abundance Practice mat Tools Add-ons Help Last edit was 2 days ago 11 BIUA Normal text Arial 5 I 3 4 1 Problem # 3b: Naturally occurring silicon consists of 3 isotopes, Si-28, Si-29 and Si-30, whose atomic masses are 27.9769, 28.9765 and 29.9738 respectively. The most abundant isotope is Si-28 which accounts for 92.23% of naturally occurring silicon. Given that the observed atomic mass of silicon is 28.0855 calculate the percentages of Si-29 and Si-30 in nature. M
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