SATHEE: Some Basic Concepts of Chemistry

Some Basic Concepts of Chemistry - Result Question 18

####18. Which has maximum number of molecules?

(a) $7 g N_{2}$

(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.

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Some Basic Concepts of Chemistry - Result Question 18

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