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 $SO_2=\frac{64}{64}=1, N_A$



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