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a 0.492 g sample of hemoglobin is found to contain 0.34% of fe. if it is assumed that each hemoglobin molecule has four fe+ ions ,calculate the molecular weight of hemoglobin. a 0.492 g sample of hemoglobin is found to contain 0.34% of fe. if it is assumed that each hemoglobin molecule has four fe+ ions ,calculate the molecular weight of hemoglobin.
Iron in the sample: 0.492 g times 0.00345 = 0.0016974 g One mole of iron atoms weighs 55.845 g. Four moles weighs 223.38 g 0.0016974 g is to 0.492 g as 223.38 g is to x x = 64747.826 g/mol
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