SATHEE: Some Basic Concepts of Chemistry

Some Basic Concepts of Chemistry - Result Question 10

####10. The number of atoms in $0.1 m o l$ of a triatomic gas is :

$(N_{A} = 6.02 \times 10^{23} m o l^{- 1})$

[2010]

(a) $6.026 \times 10^{22}$

(b) $1.806 \times 10^{23}$

(d) $1.800 \times 10^{22}$

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Solution:

(b) The number of atoms in $0.1 m o l$ of a triatomic gas $= 0.1 \times 3 \times 6.023 \times 10^{23}$ .

$= 1.806 \times 10^{23}$

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Some Basic Concepts of Chemistry - Result Question 10

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