sdfree4ngiD sdfree4ngiD
  • 04-02-2017
  • Chemistry
contestada

Determine the mass of a billion gold (u) atoms

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samcintyre3 samcintyre3
  • 09-02-2017
Therefore, 1 mole of gold weighs 196.9665 grams. So, in 2.8 grams of gold we would have:
(2.8 gram)(1 mole/196.9665 gram) = 0.0142 mole.
From Avogadro's number, we know that there are approximately 6.02 x 1023atoms/mole.
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