Silicon has 2 isotopes, Silicon-28 with an abundance of 90% and Silicon-30 with an abundance of 10%. Find the AAM for Silicon.

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asked Apr 21, 2022 22.3k views

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Silicon has 2 isotopes, Silicon-28 with an abundance of 90% and Silicon-30 with an abundance of 10%. Find the AAM for Silicon.

Chemistry
high-school

Medo Medo asked

by Medo Medo

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12 votes

Answer:

RAM

$RAM = (mass \: of \: ^(28) Si \: * \%abundance) + (mass \: of \: ^(30) Si \: * \%abundance) \\ RAM = (28 * 90\%) + (30 * 10\%) \\ RAM = 25.2 + 3 \\ RAM = 28.2$

Petyo Ivanov answered Apr 26, 2022

by Petyo Ivanov

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