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Which has more number of atoms, 100 g of sodium or 100 g of iron? [Given atomic mass of Na=23 u, Fe=56 u]

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Both sodium and iron contain same number of atoms

100 g of sodium

100 g of iron

Atoms of sodium and iron are not comparable

answer is A.

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Detailed Solution

100 g of sodium – 4.347 moles

100 g of Iron – 1.785 moles

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