Some Basic Concepts of Chemistry - Result Question 10
####10. The number of atoms in $0.1 mol$ of a triatomic gas is :
$(N_A=6.02 \times 10^{23} mol^{-1})$
[2010]
(a) $6.026 \times 10^{22}$
(c) $3.600 \times 10^{23}$
(b) $1.806 \times 10^{23}$
(d) $1.800 \times 10^{22}$
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Solution:
- (b) The number of atoms in $0.1 mol$ of a triatomic gas $=0.1 \times 3 \times 6.023 \times 10^{23}$.
$=1.806 \times 10^{23}$
