Question

Colulite number
fo
moles 3
of sug of water (1)​

Answer 1

Since density of water=1 g/cm

3

=1000 g/L, hence

Weight of H

2

O=1000 g

Number of moles=

18

1000

=55.59

Since 1 mole of H

2

O contains 6.022×10

23

molecules of water, hence

55.56 moles of water will contain 55.59×6.022×10

23

=3.345×10

25

molecules of water

I hope this help !!