beccaCharahbr
beccaCharahbr beccaCharahbr
  • 06-06-2016
  • Chemistry
contestada

The density of solid Ag is 10.5 g/cm3. How many atoms are present per cubic centimeter of Ag?

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Hagrid
Hagrid Hagrid
  • 07-06-2016

The molar mass of Ag is 108 grams per mole.

So, divide the density of Ag which is 10.5 g/cm3 by 108 grams per mole and you will get 0.0972 moles per cubic centimeter.

Using Avogadro’s law where 1 mole of substance equals 6.023 x 10^23 atoms

0.0972 moles per cubic centimeter (6.023 x 10^23 atoms/mole) = 5.86 x 10^22 atoms Ag

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