BrazyUpTown BrazyUpTown

02-06-2022
Chemistry

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plain how to calculate the number of atoms in 31.1 g of Au.

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jsimpson11000 jsimpson11000

02-06-2022

Answer:

See Below

Explanation:

mole weight of Au ( gold) = 196.97 gm

31.1 / 196.97 = number of moles of Au

Number of moles * Avagadro's Number = number of atoms

31.1 / 196.97 * 6.022 x 10^23 = 9.508 x 10^22 atoms

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