alexandriaserna alexandriaserna
  • 07-06-2017
  • Chemistry
contestada

How many Helium atoms are in 12 grams of Helium?

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noobstudent noobstudent
  • 08-06-2017
12gHe/1 × 1molHe/4.0026g × 6.02x10^23atomHe/1mol = 1.8 atoms
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