maam, thank you for the answer. maam there is a similar question. but the concept being used there is that 56 g of iron contain 6.022 x 10 to the power 23 atoms. the question is - what is the number of Fe atoms in 100 g of Haemoglobin if it contains 0.33%Fe?? please explain.

Asked by Sayoni Maiti | 29th May, 2014, 11:54: AM

Expert Answer:


Thanks for asking us a question in Ask the Expert section of

Molar mass of Fe = 56 g

Therefore, 56 g of Fe contains 6.022 × 1023 atoms of Fe

100 g of Fe will contain atoms of Fe = 1.07 × 1024 atoms of Fe ...Ans.


Topperlearning Team.

Answered by Hanisha Vyas | 29th May, 2014, 12:34: PM

Queries asked on Sunday & after 7pm from Monday to Saturday will be answered after 12pm the next working day.