Data Table
Amounts
|
Observations
|
Before Reaction
|
0.5 g MgO
40 ml (73.6 g) H2SO4 |
The MgO is a white powder. The H2SO4 is a clear liquid.
|
After Reaction
|
1.49 g MgSO4
0.22 g H2O |
The solution of MgSO4 + H2O bubbled and gave off a strong odor. The gas given off could make one cough. The result was a white liquid.
|
Calculations
0.5 grams MgO | 1 mol MgO | 1 mol MgSO4 | 120.38 g MgSO4
| 40.31 g MgO | 1 mol MgO | 1 mol MgSO4
= 1.49 g MgSO4
Density of sulfuric acid = 1.84 g/ml
40ml H2SO4 = 73.6 g H2SO4
73.6 g H2SO4 | 1 mol H2SO4 | 1 mol MgSO4 | 120.38 g MgSO4
| 98.07 g H2SO4 | 1 mol H2SO4 | 1 mol MgSO4
= 90.34 MgSO4
40ml H2SO4 = 73.6 g H2SO4
73.6 g H2SO4 | 1 mol H2SO4 | 1 mol MgSO4 | 120.38 g MgSO4
| 98.07 g H2SO4 | 1 mol H2SO4 | 1 mol MgSO4
= 90.34 MgSO4
0.5 grams MgO | 1 mol MgO | 1 mol H2O | 18 g H2O
| 40.31 g MgO | 1 mol MgO | 1 mol H2O
= 0.22 g H2O
| 40.31 g MgO | 1 mol MgO | 1 mol H2O
= 0.22 g H2O