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Portable Network Graphic  |  1990-06-19  |  2.7 KB  |  475x278  |  1-bit (2 colors)
   ocr: How many moles of water molecules in 27 gms of pure water (H,0)? I 1.5 moles H 1.007 8 The periodic table shows that one mole - of H20 has a mass of about 18.0gms. 15.999 Moles H20 = 27 gms /18.0gms/mol 18.0gms 1.5 moles