Which contains more atoms: a mole of iron or a mole of oxygen gas? Explain.
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Answer:
mole of any element contains the same number of atoms. Look up Avogadro's number. ... So, 1 mole of H2 has twice as many atoms as 1mole of Fe.
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Explanation:
1 mole of Oxygen = 6.022 × 10²³ × molecular weight of oxygen
= 6.022 × 10²³ × 16
= 96.352 × 10²³
1 mole of Fe = 6.022 × 10²³ × molecular weight of iron
= 6.022 × 10²³ × 55.84
= 336.26 × 10²³
1 mole of Fe will contain more number of atoms than 1 mole of oxygen because the molecular weight of Fe is more than the molecular weight of O₂.
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