Question

⭐✨ _ Which has more number of atoms, 100 grams of sodium or 100 grams of iron (given, atomic mass of Na = 23 u, Fe = 56 u) _✨⭐

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Answer 1

Answer:

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Answer 2

Answer:

Atomic mass of Na = 23 u

Atomic mass of Fe = 56 u

Then, gram atomic mass of Na = 23 g

Now, 23 g of Na contains = 6.022 x 1023 g number of atoms

Thus, 100 g of Na contains = 6.022 x 1023 / (23 x 100 number of atoms)

100 g of Na contains = 2.6182 x 1024 number of atoms

Then, gram atomic mass of Fe = 56 g

Now, 56 g of Fe contains = 6.022 x 1023 g number of atoms

Thus, 100 g of Fe contains = 6.022 x 1023 / (56 x 100 number of atoms)

100 g of Fe contains = 1.0753 x 1024 number of atoms

Therefore, 100 grams of sodium contains more number of atoms than 100 grams of iron.

hopefully its helped u dear :)