A scientist wants to check the fuel used in a failed experiment by doing a saponification analysis. He added equal amounts of excess KOH to a blank solution and a solution containing 1.25 g of the fuel. He titrated it with 0.5 M HCl titrant. The results are the following:  ml HCl sample blank Vi .8 2.4 Vf 24.8 42 Show the solutions: 1. Saponification number (SN) of the oil sample? 2. The main component of the oil sample is a diglyceride, calculate the MW of the sample.

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A scientist wants to check the fuel used in a failed experiment by doing a saponification analysis. He added equal amounts of excess KOH to a blank solution and a solution containing 1.25 g of the fuel. He titrated it with 0.5 M HCl titrant. The results are the following: 

ml HCl sample blank
Vi .8 2.4
Vf 24.8 42

Show the solutions:
1. Saponification number (SN) of the oil sample?

2. The main component of the oil sample is a diglyceride, calculate the MW of the sample. 

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