The mass of a solid copper penny is 5.43 g. How many copper atoms are in the penny?

asked Nov 16, 2022 8.8k views

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6 votes

3.46 g Cu 1 mol Cu 6.02*10^23 atoms Cu =

63.55 g Cu 1 mol Cu

3.28*10^22 atoms Cu

KBP answered Nov 23, 2022

by KBP

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