Question

hemoglobin is 0.347% by mass, each hemogobin contains four iron atoms. calculate the molar mass of hemoglobin

Answer 1

any options?

Answer 2

64.55*1000

Answer 3

I think you meant, "hemoglobin is 0.347% \(\color{red}{Fe}\) by mass".

\(mass\%_{Fe}*mass_{total}=Molar\;mass_{Fe}*4\)

Answer 4

you're solving for \(mass_{total}\), which is the molar mass of deoxyhemoglobin.