Some Basic Concepts of Chemistry - Result Question 9
####9. Which has the maximum number of molecules among the following ?
[2011 M]
(a) $44 g CO_2$
(b) $48 g O_3$
(c) $8 g H_2$
(d) $64 g SO_2$
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Solution:
(c) No. of molecules
Moles of $CO_2=\frac{44}{44}=1, N_A$
Moles of $O_3=\frac{48}{48}=1, N_A$
Moles of $H_2=\frac{8}{2}=4,4 N_A$
Moles of $SO_2=\frac{64}{64}=1, N_A$