\(CuO+H_2SO_4\rightarrow CuSO_4+H_2O\\ n_{CuO}=\dfrac{n_{CuO}}{M_{CuO}}=\dfrac{1,6}{80}=0,02\left(mol\right)\\ m_{ddH_2SO_4}=V_{ddH_2SO_4}.D_{ddCuSO_4}=100.1,08=108\left(g\right)\\ m_{ddCuSO_4}=m_{CuO}+m_{ddH_2SO_4}=1,6+108=109,8\left(g\right)\\ n_{CuSO_4}=n_{CuO}=0,02\left(mol\right)\\ m_{CuSO_4}=n_{CuSO_4}.M_{CuSO_4}=0,02.160=3,2\left(g\right)\\ C\%_{ddCuSO_4}=\dfrac{m_{CuSO_4}}{m_{ddCuSO_4}}.100\%=\dfrac{3,2}{109,8}.100\approx2,914\%\)