How many gold atoms are contained in 0.650 grams of gold?

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asked Mar 16, 2018 64.7k views

1 Answer

Joe Rinehart · Answer 1 · 2018-03-21T06:32:44+0000

Moles of gold = mass of gold/atomic weight of gold
= 0.65/196.967
= 3.3 x 10^-3

Number of gold atoms = moles x 6.02 x 10^23
= 1.98 x 10^21 atoms

Hope this helps!

How many gold atoms are contained in 0.650 grams of gold?

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