A student added zinc metal to a copper nitrate solution to obtain copper metal by a single-displacement reaction. From the known moles of copper nitrate in solution, she calculated the expected mass of copper metal as 6.7 g. When she weighed the copper on a balance, the mass was 5.7 g.
(a) What is the actual yield of copper metal?
(b) What is the theoretical yield of copper metal?
(c) Calculate the percent yield.
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