For the following reaction, 4.57 g of silver nitrate (Molar Mass = 169.88 g/mol) are mixed with excess copper. The reaction yields 2.29 g of copper(II) nitrate (Molar Mass = 187.57 g/mol). What is the percent yield for this reaction?
2 AgNO3(aq) + Cu(s) → Cu(NO3)2(aq) + 2 Ag(s)
67.8%
90.9%
73.8%
50.1%
45.3%