Question

Number of moles in 18 ml of H₂O​

Answer 1

Answer:

So 18 ml of water weights 18 gm. So it contain 6.022*10^23 molecules ie avagadro number of molecules. See just 18 drop of water contain this big amount of molecules so don't waste it.

Answer 2

Answer:

1 mole

Explanation:

Atomic mass of H=1 ; O=16

Therefore, H2O = 1x2 + 16 = 18 g

1 mole of H2O = 18g

Since 1g = 1ml,

Therefore 18ml of H2O has 18/18 = 1 mole.