Answer
$3.01\times10^{3}\,g$
Work Step by Step
Molar mass of Au= 197 g/mol
Number of moles of Au (n)= 15.3 moles
Mass in grams of Au= n$\times$ Molar mass
$=15.3\,mol\times197\,g/mol=3.01\times10^{3}\,g$
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