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Total number of atoms in 44 g CO(2) is...

Total number of atoms in 44 g `CO_(2)` is

A

`6*02xx10^(23)`

B

`6*02xx10^(24)`

C

`1*806xx10^(22)`

D

`18*06xx10^(22)`.

Text Solution

Verified by Experts

The correct Answer is:
C
Total no. of moles of `CO_(2)` in 44 g `= (44)/(44) = 1`
1 mole `CO_(2)` = 1 mole C + 2 mole O atoms
= 3 mole atom
`= 3xx6*02xx10^(23) = 1*806xx10^(24)`
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Knowledge Check

  • PA S S A G E -I V : The molecular mass of a substance is the relative mass of its molecule as compared with the mass of a carbon-12 atom taken as 12 units. The molecular mass of a substance indicates the number of times one molecule of a substance is heavier than 1/12 of C-12 atom. It is equal to the sum of atomic masses of all the atoms present in a molecule. Depending on the number of atoms of same or different elements present in the molecule, it can be monoatomic, diatomic, triatomic, tetratomic or a polyatomic molecule. Total number of atoms in 44 g of CO_(2) is :

    A
    `6.02 xx 10^(23)`
    B
    `6.02 xx 10^(24)`
    C
    `1.806 xx 10^(24)`
    D
    `18.06 xx 10^(22)`

  • The number of atoms in 32 g of SO_(2) is approximately

    A
    `9xx10^(23)`
    B
    `1.5xx10^(23)`
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    `2xx10^(23)`
    D
    `6xx10^(23)`

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    A
    `1.2xx10^(23)`
    B
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    C
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    D
    `12xx10^(23)`

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