Some Basic Concepts of Chemistry - Result Question 18
####18. Which has maximum number of molecules?
(a) $7 g N_2$
(c) $16 g NO_2$
(b) $2 g H_2$
(d) $16 g O_2$
[2002]
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Solution:
- (b) $2 g$ of $H_2$ means one mole of $H_2$, hence contains $6.023 \times 10^{23}$ molecules. Others have less than one mole, so have less no. of molecules.
