MyQuestionIcon

3

You visited us 3 times! Enjoying our articles? Unlock Full Access!

Mole Concept

Haemoglobin c...

Question

Haemoglobin contains 0.25% iron by weight. The molecular weight of Haemoglobin is 89600. Calculate the number of iron atoms per molecule of haemoglobin.

A

3

No worries! We‘ve got your back. Try BYJU‘S free classes today!

B

4

Right on! Give the BNAT exam to get a 100% scholarship for BYJUS courses

C

5

No worries! We‘ve got your back. Try BYJU‘S free classes today!

D

2

No worries! We‘ve got your back. Try BYJU‘S free classes today!

Open in App

Solution

The correct option is B 4
Weight of iron per molecule of haemoglobin $= 89600 \times 0.0025 = 224 g m / m o l$
Moles of Iron atoms $= \frac{224}{60} = 4$
So, Correct answer is 4.

Suggest Corrections

thumbs-up

0

Similar questions

Q. Haemoglobin contains

0.25

% iron by mass. The molecular mass of haemoglobin is

89600

. Calculate the number of iron atoms per molecule of haemoglobin. (Atomic mass

F e = 56

Q. Haemoglobin contains 0.334 % of iron by weight. The molecular weight of haemoglobin is approximately 67200. The number of iron atoms (Atomic weight of

F e

is 56) present in one molecule of haemoglobin is:

Q. Haemoglobin contains

0.25 %

iron by mass. The molar mass of haemoglobin is

89600

. Number of iron atoms present in one mole of haemoglobin is:

Q. Haemoglobin contains

0.25

(F e)

by mass. The molar mass of haemoglobin is

89600

g/mole. The number

F e

atoms present in each molecule of haemoglobin is ________

Q. The haemoglobin from red corpuscles of most mammals contains approximately 0.33% of iron by weight. The molecular weight of haemoglobin is 67,200. The number of iron atoms in each molecule of haemoglobin is:

Join BYJU'S Learning Program

similar_icon

Related Videos

lock

Mole Concept

CHEMISTRY

Watch in App

explore_more_icon

Explore more

Standard XII Chemistry

Join BYJU'S Learning Program

CrossIcon