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Chemistry, 24.12.2019 07:31 lberries08

The astronaut then measures the abundance of silicon on the new planet, obtaining the following results:
isotope abundance
(%) mass
(amu)
28si 73.71 27.98
29si
14.93 28.98
30si 11.36 29.97
what is the atomic mass of silicon for this planet?

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