Question

how much ferric iron is present in haemoglobin​

Answer 1

Answer:

Two thirds of body iron is present in circulating red blood cells as hemoglobin. Each gram of hemoglobin contains 3.47 mg of iron; thus, each mL of blood lost from the body (hemoglobin 15 g/dL) results in a loss of 0.5 mg of iron.

Answer 2

Answer:

there is no presence of ferric iron in haemoglobin

but it is made of 2alpha and 2beta particles made up of ferrous ie Fe+2