1. Mass of empty 150 mL beaker: 120.74g
2. Mass of the beaker plus CuSO4·5H2O: 122.74g
3. Color of solution: Blue
4. Mass of CuSO4·5H2O[2]–[1]: 2g
5. Mass of Al foil used (small pieces): 0.25g
6. Color of solution after reaction is complete: Gray
7. Mass of beaker and copper product:
- First Weigh: 121.21g
- Second Weigh: [not provided]
8. Mass of copper metal product [7]–[1]: 0.47g
9. Moles of Al used: 0.009 mols
10. Moles of CuSO4·5H2O used: [not provided]
11. Moles of copper product based on moles of Al: [not provided]
12. Moles of copper product based on moles of CuSO4·5H2O: [not provided]
13. Limiting reactant: [not provided]
14. Grams of Cu product based on the limiting reactant (theoretical yield): [not provided]
15. Percent yield of Cu (2 to 3 significant figures): [not provided]