| Level |
Burette Readings cm3 |
CBR
X cm3 |
Standard
Deviation |
Exact Normality
of KMnO4 |
| 1 |
2 |
3 |
| Final |
10.20 |
10.30 |
10.30 |
10.30 |
0.0469 |
0.097 N |
| Initial |
00.00 |
00.00 |
00.00 |
| Difference |
10.20 |
10.30 |
10.30 |
(Exact normality of KMnO4 was calculated using the formula, N1V1=N2V2) |