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maks197457 [2]
3 years ago
6

Calculate the atomic mass of silicon. The three silicon isotopes have atomic masses and relative abundances of 27.9769 amu (92.2

297%), 28.9765 amu (4.6832%) and 29.9738 amu (3.0872%). Show your work.
Chemistry
1 answer:
Kamila [148]3 years ago
6 0
The atomic mass would be 28.08535 amu. Multiply 27.9769 by .92297 = 25.803. Multiply 28.9765 by .046832 to get 1.357. Multiply 29.9738 by .03872 to get .925351136. Add 25.803 + 1.357 + .03872 to get 28.08535 amu
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