afsa afsa
  • 22-01-2017
  • Chemistry
contestada

How many moles of silicon, Si, are in 1.45 × 1024 Si atoms?

Respuesta :

Gem7567
Gem7567 Gem7567
  • 22-01-2017
Atoms= (1.45x10^24)/(6.02x10^23)
I haven't got a calculator but that's how you work it out
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sebassandin
sebassandin sebassandin
  • 30-11-2019

Answer:

[tex]n_{Si}=2.41molSi[/tex]

Explanation:

Hello,

In this case, one must use the atom-mole relationship given by the Avogadro's number as shown below, in order to compute the required moles:

[tex]n_{Si}=1.45x10^{24}atomsSi*\frac{1molSi}{6.022x10^{23}atomsSi} \\n_{Si}=2.41molSi[/tex]

Best regards.

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