Which has maximum number of molecules?

Some Basic Concepts of Chemistry

Which has maximum number of molecules?
A. 7 g N

^{2}

B. 2 g H2
C. 16 g NO

_{2}

D. 16 g O

_{2}

(b) 2g of H

_{2}

means one mole of H

_{2}

, hence
contains 6.023 × 10

^{23}

molecules. Others have
less than one mole, so have less no. of molecules.

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