Sterling silver contains 92.5 wt% silver and 7.5 wt% copper. Copper is added to silver to make the..

Sterling silver contains 92.5 wt% silver and 7.5 wt% copper. Copper is added to silver to make the metal stronger and more durable. A small sterling silver spoon has a mass of 100 g. Calculate the number of copper and silver atoms in the spoon.