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Portable Network Graphic  |  1990-06-19  |  2.6 KB  |  464x276  |  1-bit (2 colors)
   ocr: How many moles of gold in 12x1 1023 atoms of pure gold? 2.0 - moles 79 There are 6.02x10: molecules in I a Au mole of any substance. The number of 196.97 moles - 12x10/6.0 x1023 or 97gms 2.01 moles. (1 atom per molecule for Au)