You have a sample of gold that contains 0.2 moles of gold (Au). How many gold atoms are present in the sample. HINT: Gold atoms represents the number of particles." 1.20 x 10^23 atoms

3.3 x 10^-25 atoms

1.01 x 10^-3 moles

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1.01 x 10^-3 moles

n = 0.20 mol

N

N = n × 6.02 × 10²³ atoms/mol

N = 0.2 mol × 6.02 × 10²³ atoms/mol

N = 1.20 × 10²³ atoms

Therefore, there are 1.20 × 10²³ gold atoms in 0.2 mol of a gold sample.

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