Respuesta :
The silicon chip has [tex]1.22 * 10^{20}[/tex] silicon atoms.
The silicon chip used in an integrated circuit of a microcomputer weighs 5.68mg.
When weight is converted into grams, it gives [tex]5.68 * 10^{-3}[/tex]
To find the number of silicon atoms required, the weight must be divided with atomic weight as shown
[tex]5.68 * 10^{-3} / 28[/tex]
The obtained value must be multiplied with [tex]N_{A}[/tex] value which is [tex]6.023 * 10^{23}[/tex]
This gives as the numbers of silicon atoms present in the chip [tex]1.22 * 10^{20}[/tex]
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