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Hemoglobin contains 0.34% of iron by mass. The number of Fe atoms in 3.3g of hemoglobin is (Given: Atomic mass of Fe is 56 u, NA = 6.022 × 1023 mol-1.)

Option 1 -

1.21 * 105

Option 2 -

12.0 * 1016

Option 3 -

1.21 * 1020

Option 4 -

3.4 * 1022

0 1 View | Posted 2 months ago
Asked by Shiksha User

  • 1 Answer

  • A

    Answered by

    alok kumar singh | Contributor-Level 10

    2 months ago
    Correct Option - 3


    Detailed Solution:

    Number of Fe atoms = 0.34100*3.356*6.022*1023

    = 1.206 * 1020

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