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  • 21-02-2021
  • Chemistry
contestada


Determine the number of atoms in 4.60 g gold.

Respuesta :

Chemesp
Chemesp Chemesp
  • 21-02-2021

Answer:

N(Au) = 1,20 × 10²²

Explanation:

1) n(Au) = m ÷ M = 4.60 g ÷ 197 g/mol = 0,02 mol

2) N(Au) = n(Au) × N(a) = 0,02 × 6.02*10²³ = 1,20 × 10²²

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