Question

How many molecules are present in 3g of H₂

Answer 1

1 mole of H

2

O has 18 g of mass

Thus 10 g of H

2

O contain=

18

1

×10moles

1 mole contains 6.022×10

23

molecules

Thus no. of molecules in 10 gof H

2

O is

18

10

×6.022×10

23

molecules =3.34×10

23

molecules of H

2o

Answer 2

Answer:

search on Google for the better understanding