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18 January, 18:06

Determine the mass of a billion gold (u) atoms

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  1. 18 January, 18:19
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    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 1023 atoms/mole.
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