A solution of CuSO_4 · 5 H_2 O in methanol has [Cu^ 2+ ]=1.00 mg...

A solution of $\mathrm{CuSO}_4 \cdot 5 \mathrm{H}_2 \mathrm{O}$ in methanol has \left[\mathrm{Cu}^{2+}\right]=1.00 \mathrm{mg}$per 1000 g of methanol. The molarity of$\mathrm{Cu}^{2+}$in this solution is$\mathrm{Y} \times 10^{-5} \mathrm{~mol} \mathrm{~L}^{-1}$. Y is : \left(\right.$ Given- density of methanol \left.=0.792 \mathrm{~g} \mathrm{~mL}^{-1}\right)