CTHH của muối : RSO4
\(n_{BaSO_4}=\dfrac{2.33}{233}=0.01\left(mol\right)\)
\(RSO_4+BaCl_2\rightarrow RCl_2+BaSO_4\)
\(0.01......................................0.01\)
\(M_{RSO_4}=\dfrac{1.6}{0.01}=160\)
\(\Rightarrow R=160-96=64\left(\dfrac{g}{mol}\right)\)
\(R:Cu\)
\(CT:CuSO_4\)