arianacool5012 arianacool5012
  • 03-03-2018
  • Chemistry
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Gold has a molar (atomic) mass of 197 g/mol. consider a 2.47 g sample of pure gold vapor. (a) calculate the number of moles of gold present

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jcherry99
jcherry99 jcherry99
  • 03-03-2018
n = given mass/ molar mass.
n = number of moles
given mass = 2.47 g
molar mass = 197 g/mol

n = 2.47 / 197 
n = 0.01253 moles.
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