The weight percentage of iron in heamo-globin is 0.33. If the approximate molecular weight of heamoglobin is 68000, how many iron atoms are present in the molecule? (At.wt. of Fe is 56)

The weight percentage of iron in heamo-globin is 0.33. If the approxim

1.	The weight percentage of iron in heamo-globin is 0.33. If the approximate molecular weight of heamoglobin is 68000, how many iron atoms are present in the molecule? (At.wt. of Fe is 56)
Answer» SOLUTION :100 parts of HEAMOGLOBIN =0.33 parts iron 6800 parts of heamoglobin=? WEIGHT of Fe in heamoglobin `=(6800)/(100) xx 1/3 =227g` 56g of Fe =one Fe 227g of Fe=? Numbewr of iron atoms `=(227)/(56)=4`