41 0 13KB
Results Mass of tube Mass of tube + copper oxide Mass of copper oxide Mass of tube + copper Mass of copper Mass of oxygen
Mass(g) 8.43 11.83 3.40 11.14 2.71 0.69
Uncertainty
± 0.02 ± 0.02
Calculations Moles of Cu
Moles of O
Ratio Cu:O
0.0426
± 0.000315
0.0426
± 0.738%
0.0431
± 0.00125
0.0431
± 2.899%
0.989
± 3.637%
0.989
± 0.0360
Results Mass of crucible Mass of crucible + copper sulphate (hydr) Mass of hydr copper sulphate Mass of crucible + anhydr copper sulphate Mass of anhydr copper sulphate Mass of water
Mass(g) 29.18 46.97 17.79 40.47 11.29 6.50
Uncertainty 0.01 0.01 0.02 0.01 ± 0.02 ± 0.02
Calculations Moles of copper sulphate
Moles of water
Ratio CuSO4:H2O
0.0707
± 0.000125
0.0707
± 0.177%
0.3607
± 0.00125
0.3607
± 0.347%
5.099
± 0.524%
5.099
± 0.027