Instructions :-
lets start the experiment
stopwatch 4x >>
00
:
00
Heat the oil mixture for 30 minutes at 700C to make oil proper soluble in KOH
| S. No. | Weight of the oil taken (in g) |
Volume of 0.5 N HCL required to titrate (Vo) (in mL) |
Volume of 0.5 N HCL required to titrate the control (i.e. without oil) (Vc) (in mL) |
Weight of KOH required to complete the saponification (in mg)$ |
Saponification value (mg of KOH/g of oil) |
|---|---|---|---|---|---|
| 1 | 1.51 | 7.3 | 20.1 | 359.04 | 237.77 |
| 2 | 1.50 | 7.5 | 20.0 | 350.62 | 233.75 |
| 3 | 1.53 | 7.0 | 20.2 | 370.26 | 242.00 |
| Average | NA | NA | NA | NA | 237.84 |