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  • 15-08-2016
  • Chemistry
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How many atoms of gold are in 112 grams of gold?

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Willchemistry
Willchemistry Willchemistry
  • 15-08-2016
Atomic mass gold  = 196.96 u.m.a

196.96 g ------------------ 6.02x10²³ atoms
112 g ---------------------- ( atoms)

atoms = 112 x ( 6.02x10²³) / 196.96

atoms = 6.74x10²⁵ / 196.96

= 3.42x10²³ atoms

hope this helps!
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