Question

calculate the number of moles 55litre of H2O​

Answer 1

Answer:

Correct option is

B

100

Density of water =1 gm/ml

Since 1 ml of water weights =1 gm

∴ 1800 ml water weighs =1800 gm

Now, 18 gm of water contains =1 mole

∴ 1800 gm of water contains =

18

1×1800

=100 moles