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Sweta Mehul Dugal
Asked: 2022-11-11T05:35:27+05:30 In:

The number of atoms in 0.1 mol of a triatomic gas is:
A. (a)`6.026xx10^(23)`
B. (b)`1.806xx10^(23)`
C. (c )`3.600xx10^(23)`
D. (d)`1.80xx10^(23)`

The number of atoms in 0.1 mol of a triatomic gas is:
A. (a)`6.026xx10^(23)`
B. (b)`1.806xx10^(23)`
C. (c )`3.600xx10^(23)`
D. (d)`1.80xx10^(23)`
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1 Answer

  1. Correct Answer – b
    Let gas be `X_(3)`
    Then `X_(3) -= 3X`
    1 mol of `X_(3)` has 3 moles of `X` atoms
    0.1 mol of `X_(3)` has `0.3` moles of `X` atoms
    That is `0.3xxN_(A)`
    0.1 mole has atoms `=0.1xx6.02xx10^(23)xx3`
    `=1.806xx10^(23)`

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