| Level |
Burette Readings cm3 |
CBR
X cm3 |
Standard Deviation |
Percentage purity of MnSO4 |
| 1 |
2 |
3 |
| Final |
23.10 |
23.00 |
23.10 |
23.10 |
0.16 |
84.89% |
| Initial |
00.0 |
00.0 |
00.0 |
| Difference |
23.10 |
23.00 |
23.10 |
Three burette readings were recorded and CBR was recorded as X cm3 for potassium
permanganate solution: Procedure using potato tuber pieces. |