ta có \(d_{H_2O}=\) 1g/ml
=> \(m_{H_2O}=100.1=100\left(g\right)\)
\(m_{dd}=8+100=108\left(g\right)\)
\(C_{\%}=\frac{8}{108}.100\%\approx7,4\%\)
100ml = 0,1l
\(n_{CuSO_4}=\frac{8}{160}=0,05\left(mol\right)\)
\(C_M=\frac{0,05}{0,1}=0,5M\)
\(n_{CuSO_4}=\frac{8}{160}=0,05\left(mol\right)\)