hemoglobin,+the+oxygen-arrying+protein+in+red+blood+cells,+has+four+iron+atoms+per+molecule+and+contains+0.340%+iron+by+mass.+calculate+the+molar+mass+of+hemoglobin.
A. Determine the molar mass of hemoglobin, the oxygen-carrying protein in red blood cells, which possesses four iron atoms per molecule and comprises 0.340% iron by mass.

B. Find the molar mass of hemoglobin, the oxygen-carrying protein in red blood cells, with four iron atoms per molecule and 0.340% iron content by mass.

C. Calculate the molar mass of hemoglobin, the oxygen-carrying protein in red blood cells, featuring four iron atoms per molecule and a 0.340% iron composition by mass.

D. Derive the molar mass of hemoglobin, the oxygen-carrying protein in red blood cells, characterized by four iron atoms per molecule and a 0.340% iron content by mass.