Answer : A piece of jewelry can range from a small earring to a large necklace. So, in this case, there is varying number of moles of silver atoms may be present in a piece of jewelry.
Also, it can happen that all jewelry doesn't contains silver in them. Thus, there is no specific answer to this question.
But if the weight of silver is known then we can calculate the atoms in it by comparing 1 mole with avogadro number of atoms.
