Respuesta :

Answer:

In 4.50 moles of water, there are 2.71 x 1024 molecules

Answer:

There are 6.022 E23 molecules in each mole of a substance. Then 4.5 moles of H2O has 2.71 E24 molecules of water.

Explanation:

6.022 x 4.5 = 27.099