If you had 2.5 mL of CuSO₄ sample at the concentration you calculated for your unknown, what is the mass of CuSO₄ in the solution. (Hint: Think of the units of concentration from \#4 and molar mass of CuSO₄ =159.609 g/mol ) Show all work including units and sig figs. Mass of CuSO₄=_____
