angieandcole angieandcole

08-02-2020
Chemistry

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how many neon atoms are contained in (7.27x10^2) grams of neon?

Respuesta :

Eduard22sly Eduard22sly

08-02-2020

Answer: 2.19x10^25 atoms

Explanation:

Molar Mass of Neon = 20g/mol

1mole(20g) of Neon contains 6.02x10^23 atoms.

Therefore, 7.27x10^2g of Neon will contain x atoms i.e

X atoms = (7.27x10^2x6.02x10^23)/20 = 2.19x10^25 atoms

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