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  3. 1. olive oil has a saponification value of 190 mg

1. Olive oil has a saponification value of 190 mg KOH per gram. This means that...

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Chemistry

1. Olive oil has a saponification value of 190 mg KOH per gram.This means that it takes 190 mg of potassium hydroxide to reactcompletely with 1 g of olive oil.

(a) What is the mole ratio for the reaction of a triglyceridewith KOH?

(b) Divide 0.190 g of KOH by its molar mass to calculate thenumber of moles of KOH that will react with 1 g of olive oil.

(c) Use the answers to (a) and (b) to determine the number ofmoles corresponding to 1 g of olive oil. Divide 1 g by this numberof moles to calculate the average molar mass (g/mole) of oliveoil.

Answer & Explanation Solved by verified expert
4.3 Ratings (743 Votes)
Triglyceride have 3 ester groups When these groups react with KOH ester hydrolysis takes place and ester group is broken into alcohol group and carboxylate ion This carboxylate ion forms a salt with potassium ions This is what    See Answer
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