10-01-2020
Chemistry

contestada

How many moles are 5.55 x 102 atoms of Mg?
M2) an> NU X 02.0

Respuesta :

ChBader ChBader

10-01-2020

Explanation:

number of atoms = moles × avegadro number

so 5.55 × 10^2 = moles × 6.023 × 10^23

moles = 5.55 × 10^2 ÷ 6.023 × 10^23 = 9.214×10−22 moles

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