Respuesta :

sebassandin

Answer:

[tex]m_{Au_{31}}=6106.07 g[/tex]

Explanation:

Hello,

In this case, since one gold atom has a mass of 196.97 g, for the given gold cluster that has 31 gold atoms, the mass will be:

[tex]m_{Au_{31}}=31*196.97g\\\\m_{Au_{31}}=6106.07 g[/tex]

Whereas we consider the mass of all the 31 gold atoms to compute the overall mass.

Best regards.

okpalawalter8

Answer:

  • The mass (in grams) of one Au31cluster = [tex]1.014*10^{-20}grams[/tex]

Explanation:

Atomic mass of Au = 197u

So, mass of 1 Au31 cluster (in u)

[tex]= 197 * 31\\\\= 6107u[/tex]

So, mass of 1 Au31 cluster (in gram)

[tex]= 6107 * 1.66*10^{-24}\\\\= 1.014*10^{-20}grams[/tex]

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