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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Chemistry

Dummy

29 January, 18:16

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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Roselyn Chen · Answer 1

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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