Question

Please someone explain the best way of solving this. A 55 kg woman has 7.5 x 10 to the power of negative 3 moles of hemoglobin (Molar mass=64,456 g/mole) in her blood, how many hemoglobin molecules is that? What is the quantity in grams?
1 mol has 5.02E23 molecules so 7.5E-3 mols will have
7.5E-3 mols x (6.022E23 molecules/mol) = ? number of molecules.
Then grams = mols x molar mass = ?
hepl

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