Explanation:
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Answer:


Explanation:
Hello there!
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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Answer:
3
Explanation:
102 are significant figures