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Q.

Number of water molecules in 18 ml of water is(d = 1 g/ mL).

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a

$N_{A}$

b

$\frac{N_{A}}{22400}$

c

$\frac{18 N_{A}}{22.4}$

d

$\frac{18 N_{A}}{22400}$

answer is B.

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Detailed Solution

Density of water = 1 g/ml
$∴$ 18 g (18 ml) contain N_A molecules

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