alexandriaserna alexandriaserna

07-06-2017
Chemistry

contestada

How many Helium atoms are in 12 grams of Helium?

Respuesta :

noobstudent noobstudent

08-06-2017

12gHe/1 × 1molHe/4.0026g × 6.02x10^23atomHe/1mol = 1.8 atoms

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