Soap is made through a basic hydrolysis of triglycerides in fats. CH2–0- HCH2n-C

Question

Soap is made through a basic hydrolysis of triglycerides in fats. CH2–0- HCH2n-CH3 CH2-OH CH—O—CCH2n-CH3 + 3NaOH CH—OH + 3 Nato=CHCH2)n-CH3 CH2–0— (CH2)n-CH3 triglyceride CH2-OH glycerol sodium carboxylate salt (soap molecules) Assume 0.200 moles of triglyceride and 0.660 moles of NaOH are used in the reaction. O triglyceride What is the limiting reactant? ) NaOH Number After complete reaction, how many moles of triglyceride remain? mol Number After complete reaction, how many moles of NaOH remain? mol

Explanation / Answer

1) in the above reaction , 1mole of triglyceride react with 3mole of NaOH , so 0.200 mole of triglyceride will react with 0.600 mole of naoh , so limiting reagent is triglyceride

2) 0 moles of triglyceride remains , all will be used in the reaction

3) 0.060 moles of naoh will remain unreacted after the reaction

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