How many Cu atoms are present in a piece of sterling silver jewelry weighing 33.54 g

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How many Cu atoms are present in a piece of sterling silver jewelry weighing 33.54 g

[From: ] [author: ] [Date: 11-09-25] [Hit: ]

075 to get grams of Cu.Divide by the mol mass of Cu to get moles.......

(sterling silver is a silver-copper alloy containing 92.5% Ag by mass)

My best guess is 31.0245 but i still would like some help and please (if you could) show work! if not then its alright

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multiply 33.54 by .075 to get grams of Cu.

Divide by the mol mass of Cu to get moles.

Multiply by Avogadro's number

1

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