Labels:text | screenshot | font | number OCR: How many molecules of water in 2.5 moles of H2O? 15 x10ª 1 H Molecules 1.008 There are 6.02 x 10 molecules in a 23 80 mole of any substance. The number of 15.999 molecules =(6.0 x 10 molecules mole )(2.5 moles .8.0gms # molecules = 15 x 10 multiply times 3 to count atoms