Hemoglobin is 6.0% heme (C₃₄H₃₂FeN₄O₄)
by mass. To remove the heme, hemoglobin is treated with acetic acid and NaCl, which forms hemin (C₃₄H₃₂N₄O₄FeCl)
A blood sample from a crime scene contains 0.65 g of hemoglobin.
(b) How many moles of heme?