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3. How many moles are in a sample of tin that contains 2.0 x 102 atoms? Show your work

Respuesta :

cbee9899
Using Avogadro's constant.
n=N/NA
=2.0×102 / 6.02×[tex] 10^{23} [/tex]
=204 / 6.02×10^23
=3.3887 × 10^-22 moles

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