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chemical analysis shows hemoglobin contains 0.34% of Fe by mass. How many moles of Fe wold be in a 100.00 g sample?

Thank you.

  • chemistry -

    How much Fe is in the 100.00 g sample? Wouldn't that be 100.00 x 0.34 = ??
    Now, how do you convert grams Fe to moles Fe?

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