The hemoglobin content of blood is about 15.4g/100mL blood. The molar mass of hemoglobin is about 64500 g/mol, and there are four iron (Fe) atoms in a hemoglobin molecule.Approximately how many Fe atoms are present in the 6 L of blood in a typical adult?

[(15.5g / 100ml]) * ([1ml / 1x10^-3 L]) * ([1Hemoglobin / 645000g Hemoglobin]) * ([4Fe / 1 hemoglobin]) * ([6.022x10^23 / 1mol])
theres something wrong and i cant figure out what it is. The answer i should be getiing is 3*10^22 but i can't get it.

3 answers

15.4 and not 15.4
You don't have the 6L blood . I get 3.4E22

OOO thanks

Thanks for showing your work.