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Number of Fe atoms in 100 g Haemoglobin ...

Number of Fe atoms in 100 g Haemoglobin if it contains 0.33% Fe. (Atomic mass of Fe. = 56)

A

` 0.035 xx 10^(23)`

B

35

C

` 3.5 xx 10^(23)`

D

`7 xx 10^(8)`

Text Solution

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The correct Answer is:
A
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Haemoglobin contains 0.25% iron by mass . The molecular mass of haemoglobin is 89600 then the number of iron atoms per molecule of haemoglobin (Atomic mass of fe = 56)

The molecular weight of haemoglobin is about 65.000 g/mol. Haemoglobin contains 0.35% Fe by mass. How many iron atoms are there in a haemoglobin molecule?

Knowledge Check

  • The EAN of Fe atom in .

    A
    `34`
    B
    `35`
    C
    `36`
    D
    `37`

  • The haemoglobin from red blood corpuscles of most mammals contains approximately 0.33\% of iron by mass. The molecular mass of haemoglobin is 67200. The number of iron atoms in each molecular of heamoglobin is [Given : Atomic mass of Fe = 56 g/mol] Report your answer by rounding it upto nearest whole number.

    A
    3
    B
    11
    C
    4
    D
    5

  • The haemoglobin contains 0:33% iron by weight. Its molecular mass is 67200. The number of iron atoms in one molecule of haemoglobin are (At. mass of Fe-56)

    A
    2
    B
    3
    C
    4
    D
    5

    • Similar Questions

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    Which has more number of atoms, 100 grams of sodium or 100 grams of iron (given, atomic mass of Na = 23 u, Fe = 56 u)?

    Which has more number of atoms, 100 grams of sodium or 100 grams of iron (given atomic mass of Na = 23 u, Fe = 56 u)?

    The red colour of blood is due to haemoglobin. It contain 0.335 percent of iron. Four atoms of iron are present in one molecule of haemoglobin. What is the molecular mass of haemoglobin ? (Given that the atomic mass of Fe = 55.84)

    Which has more number of atoms: 115 g of sodium or 168 g of iron? (Given : atomic massesNa = 23 u, Fe = 56 u)

    The haemoglobin from the red blood 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 (atomic weight of iron =56 ):

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