5. How many milliliters of a 2.0 M CuSO4 solution are needed to prepare 0.250 L of
0.400 M CuSO_4?
6. What is the molarity of a solution in which 111 g sodium hydrogen carbonate is
dissolved in a 20.0 L solution?
7. A solution of hydrogen peroxide is 13.7% by mass. What is the molarity of the
solution? Assume that the solution has a density of 1.01 g/mL.
8. A solution is prepared by dissolving 19.2 g of glucose in 205 g of water. The final
volume of the solution is 214 ml. Find the concentration of the solution in units of