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18-09-2016
Chemistry

contestada

how many atoms are in 76.4 grams of iron

Respuesta :

18-09-2016

[tex]6,02*10^{23} \ \ \ \ \ \ \rightarrow \ \ \ 56g\\ x \ \ \ \ \ \ \ \ \ \ \ \ \ \ \ \ \ \ \rightarrow \ \ \ 76,4g\\\\ x=\frac{76,4g*6,02*10^{23}}{56g}=8,213*10^{23}[/tex]

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