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How many moles are in a sample of 3.98 x 102 atoms of aluminum (AI)?
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How many moles are in a sample of 3.98 x 102 atoms of aluminum (AI)?

User Smeshko
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Do you mean 3.98 x 10 ^ 2 atoms?
In this case, there would be only 398 atoms in the sample, which would be 6.609 x 10 ^ -22 moles
User Vahid Moradi
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