brookestudents1 brookestudents1

14-02-2021
Chemistry

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How many moles are equal to 7.28 x 1025 atoms of an element?

Respuesta :

Khasandra Khasandra

14-02-2021

Answer = 121.3mol

#Use Avogadro

Number of atoms = mol × 6×10²³

7.28 × 10²⁵ = mol × 6×10²³

mol = (7.28×10²⁵) : (6×10²³)

mol = 121.3mol

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