Labels:text | screenshot | font | number OCR: How many moles of water molecules in 72 gms of pure water (H20) ? 1 4.0 moles H 1.007 The periodic table shows that one mole 80 of H20 has a mass of about 18.0gms. 15.999 Moles H20 = 72 gms/18.0gms/mol 18.0gms 0.4.0 moles
