Answer to Question #277573 in General Chemistry for Lia

Question

A student added zinc metal to a copper (II) nitrate solution to obtain copper metal by a single displacement

reaction. From the known moles of copper (II) nitrate solution, she calculated the expected mass of copper as

6.7 g. When she weighed the copper on a balance, the mass was 5.7 g.

Answer 1

Percent Yield =72.3%