kasidygraham462 kasidygraham462

08-02-2020
Chemistry

contestada

Calculate the number of atoms in a 1.26×103 g sample of silicon.

Respuesta :

ednorobello92 ednorobello92

08-02-2020

Answer: 2.71 x10^25 atoms Si

Explanation: Solution:

1.26x10²³ g Si x 1 mole Si / 28 g Si x 6.022x10²³ atoms Si / 1 mole Si

= 2.71 x10^ 25 atoms Si

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