Cu + 2AgNO3 → Cu(NO3)2 + 2Ag If a 40. g sample of Copper is used with an excess of silver nitrate, calculate the theoretical yield of silver. What is the percent yield of the silver, if 120 g was collected?

Explanation:

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In this case, according to the described chemical reaction, it is possible to compute the theoretical mass of silver as mass via the 1:2 mole ratio of copper to silver and their atomic mass in the periodic table, in order to perform the following stoichiometric setup:

Next, given the actual yield of 120 g, we compute the percent yield via:

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