Problem: A cube of gold that is 1.00 cm on a side has a mass of 19.3 g. A single gold atom has a mass of 197.0 amu.From the information given, estimate the diameter in Å of a single gold atom.

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Step 1

19.3 gcm3 ×1 mol196.97 g×6.022×1023 atoms1 mol = 5.9x1022 Au atoms/cm3 

5.9×1022 atomscm3 = 3.89x107 atoms/cm


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Problem Details

A cube of gold that is 1.00 cm on a side has a mass of 19.3 g. A single gold atom has a mass of 197.0 amu.

From the information given, estimate the diameter in Å of a single gold atom.

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