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u Question 18 Which of the following is used in saponification? O soap O weak base...
Lab 12: Saponification – Making Soap Objective: To make soap using the process call saponification, an organic form of the neutralization reaction that an acid reacts with a base to form a salt. Introduction: A soap is the sodium or potassium salt of a long chained carbohydrate called a fatty acid. A fatty acid usually contains between 12 – 18 carbon atoms. Fatty acids are esters of either animal or vegetable fats. They are called triglycerides if they are solids at room...
Draw the saponification process of glyceryl tristearate to give sodium stearate(soap) hint: stearin acid contains 18 carbons
QUESTION 1 pH = 7 at the equivalence point of the titration of: O a. Weak acid with strong base. Ob.Strong acid with weak base. O C. Strong acid with strong base. Od. Weak acid with weak base.
QUESTION 13 Which of the following is false? a. The conjugate base of a relatively weak acid is relatively strong b. Buffer solutions resist changes in pH c. at 25 pH + pOH = 14 d. To make an effective buffer, the pka of the weak acid should be as far away as possible from the pH that you wish to maintain. e. When titrating a weak monoprotic acid with NaOH, at the Veq pt/2, the equation pH pka is...
QUESTION 38 The conjugate acid of a weak base is a. a weak acid. b. amphiprotic. c. a weak base. d. a strong base. e. a strong acid.
Which of the following is true for the titration of a weak acid with a strong base? O a. The pH at the equivalence point is acidic. b. A buffer solution is formed before the equivalence point. OC. The initial pH equals -log (conc. of the acid). Od. The indicator changes its color at the half-neutralization point.
7) 0.1 N NaOAc (salt of a strong base and a weak acid) Questions: Which salt solutions give acidic solutions? Titration of a weak base with a strong acid gives the salt of the weak base. Which indicator should be used? Which salt solutions give virtually neutral solutions according to your estimates? *Titration of a strong acid with a strong base yields a solution of their respective salts. Which indicator should be used?Which salt solutions give basic solutions? Titration of a weak acid with a strong...
8. Identify the following as a strong acid, a strong base, a weak acid, a weak base, or a neutral solution: a. LiBr b. LiOH c. H20 d. HNO3 e. HOBr f. CH3NH2 g. NH3 8. Identify the following as a strong acid, a strong base, a weak acid, a weak base, or a neutral solution: a. LiBr b. LiOH c. H20 d. HNO3 e. HOBr f. CH3NH2 g. NH3
Classify H_2CO_3 as a strong base, weak base, strong acid, or weak acid, and then answer the following question. What is the pH of a 0.321 M H_2CO_3(aq) solution? 3.4 8.6 5.4 10.6 6.9
Question 1 Status: Tries remaining: 2 | Points possible: 1.00 The reaction is a type of Choose.. that Saponification is the process of making soap from fats or oils Choose... which is the soap uses the addition of a to release the Choose... CHECK Question 1 Status: Tries remaining: 21 Points possible: 1.00 . The reaction is a type of Choose... condensation that fats or oils Saponification is the process of making soap from ,which ist esterification hydrolysis to release...