\(n_{C2H5OH}=0,123\left(mol\right)\)
\(C_2H_5OH+CuO\rightarrow Cu+CH_3CHO+H_2O\)
0,123_____________________0,123_______
\(CH_3CHO+2AgNO_3+3NH_3+H_2O\rightarrow2Ag+CH_3COONH_4+2NH_4NO_3\)
0,123________________________________ 0,246______________________________
\(\rightarrow m_{Ag}=26,568\left(g\right)\)
Vậy chọn A