The blood pigment hemoglobin has a mass fraction of w (Fe) = 0.0821% a) What is the number of iron atoms in 2.5 g of hem

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answerhappygod
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The blood pigment hemoglobin has a mass fraction of w (Fe) = 0.0821% a) What is the number of iron atoms in 2.5 g of hem

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The blood pigment hemoglobin has a mass fraction of w (Fe) = 0.0821%
a) What is the number of iron atoms in 2.5 g of hemoglobin?
b) What is the molar mass of hemoglobin? (Tip: Assume that every molecule
Hemoglobin contains exactly 1 atom of iron. The calculated value should at least roughly match the actual molecular weight of hemoglobin)
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