4. Calculate the mass of water evaporated from the solution? 0.0414 M 5. Calculate the density of solution, (g solution/mL solution)? 6. Calculate the % by mass, CuSO4 in solution (100 x g CuSO4/g solution)?
using exactly 5.00 mL of 0.0400 M stock CuSO4 solution. Add 100 mL of water.
Data for Part I
Mass of empty dish: 32.470 g empty dish
Volume of 0.0400 M solution: 5.00 mL CuSO4 solution.
Mass of dish and 0.0400 M solution: 37.497 g dish and solution
Mass of dish and CuSO4 solid: 32.503 g dish and CuSO4 solid
Calculations for Part I
1. Calculate the mass of solution? 5.027 g
2. Calculate the mass of solid CuSO4 dissolved in the solution? 0.033 g
3. Calculate the number of moles of solid CuSO4 dissolved in the solution?
2.07 x 10-4 mol
4. Calculate the mass of water evaporated from the solution? 0.0414 M
5. Calculate the density of solution, (g solution/mL solution)?
6. Calculate the % by mass, CuSO4 in solution (100 x g CuSO4/g solution)?
7. Calculate the molality of solution (moles CuSO4/kg solvent)?
8. Calculate the molarity of solution (moles CuSO4/L solution)?
9. Given that the true molarity is 0.0400 M, calculate the percent error of your result?
I need help with question 4-9.
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