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A macromolecule of iron has molar mass 2...

A macromolecule of iron has molar mass 2800amu, it contains 8% iron by mass. The number of iron atom in one formula unit of the macromolecule is:

Text Solution

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The correct Answer is:
4
Number of iron atoms in one formula unit of compound
`=(%)/(100)xx("Molecule mass")/("Atomic mass")=(8)/(100)xx(2800)/(56)=4`
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