CuO and CuSO4 Formula Calculations Uisng Spreadsheet [PDF]

Zitiervorschau

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