Mass of empty dish: 38.386 grams  Volume of 0.0400 M stock solution: 5.00 mL  Mass of Dish and 0.0400 M stock solution: 44.751 grams  Mass of Dish and CuSO4 (after evaporation): 38.468 grams    1. Calculate the density of the solution  a)Calculate the percent by mass, CuSO4, in stock solution (100 x g CuSO4/g solution)  b)Calculate the molality of the stock solution (mole CuSO4 / kg solvent) c) Calculate the molarity of the stock solution (moles CuSO4 / L solution)

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