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Portable Network Graphic  |  1992-08-13  |  2.8 KB  |  512x342  |  1-bit (2 colors)
   ocr: How many moles of water molecules in 27 - gms of pure water (H,0)? I 1.5 moles I H 1.007 8 The periodic table shows that one mole 0 15.999 of H20 has a mass of about 18.0gms. Moles H20 - 278 gms/18.0gms/mol 18.0gms 1.5 moles