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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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 · Answer 1 · 2018-03-03T14:05:30+01:00

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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