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Q.
The number of water molecules is maximum in :
AIPMTAIPMT 2015Some Basic Concepts of Chemistry
Solution:
$\because$ 1 mole water = $6.02 \times 10^{23}$ molecules
$\therefore $ 18 mole water = $18 \times 6.02 \times 10^{23}$ molecules
so, 18 mole water has maximum number of
molecules.