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(A) The number of atoms is proportional to the number of moles $(n = 	ext{mass} / 	ext{atomic mass})$.$1$. For $24 \ g$ of $C$: $n = 24 / 12 = 2 \ m

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$24 \ g$ of $C$ $(12)$

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(A) The number of atoms is proportional to the number of moles $(n = 	ext{mass} / 	ext{atomic mass})$.$1$. For $24 \ g$ of $C$: $n = 24 / 12 = 2 \ mol$.$2$. For $56 \ g$ of $Fe$: $n = 56 / 56 = 1 \ mol$.$3$. For $27 \ g$ of $Al$: $n = 27 / 27 = 1 \ mol$.$4$. For $108 \ g$ of $Ag$: $n = 108 / 108 = 1 \ mol$.Since $2 \ mol$ is the highest value,$24 \ g$ of $C$ contains the greatest number of atoms.

Which of the following contains the greatest number of atoms?

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