A 1.0-g fat was titrated against a 0.500-M KOH and consumed 13.0-mL of the titrant. A blank analysis was performed, and a 20.0-mL of the titrant was used. Calculate the saponification number of the fat.

A 1.0-g fat was titrated against a 0.500-M KOH and consumed 13.0-mL of the titrant. A blank analysis was performed, and a 20.0-mL of the titrant was used. Calculate the saponification number of the fat.

Chemical Principles in the Laboratory

11th Edition

ISBN:9781305264434

Author:Emil Slowinski, Wayne C. Wolsey, Robert Rossi

Publisher:Emil Slowinski, Wayne C. Wolsey, Robert Rossi

Chapter43: Analysis For Vitamin C

Section: Chapter Questions

Problem 3ASA

See similar textbooks

Related questions

Q: CH, CH, CH, CH CH, ČH, 10а CH, CH, CH3 H ČH, CH, CH, 10ь

Q: A Cempound circular curve have: - R1= 290.75 m, A- 40' 14', C=175 m, - Stat. P.C. - 50 + 10, P.C…

Q: H20 C;H12 O2 CO H2O O2 H20 CHs O2 ↑

Q: a)

Q: Please show complete solution and apply all units A gaseous mixture contains 18% oxygen, and 78%…

A: Given : Percentage of oxygen = 18 % Percentage of nitrogen = 78 % Mass fraction of oxygen gas =…

Q: Select either atom that forms the glycosidic bond in this molecule, sucrose. • Gray = C; white = H;…

A: C(gray)of one molecule gets connect with O(red) of another molecule and forms glycosidic bond

Q: Which of the following is a zwitterion?

A: Zwitterion structure: Zwitterion it is a dipolar ion Amino group which contains a positive group…

Q: How many gallons of octane, C3H18, having a density of 0.703 g/cm³, would have to be burned to…

A: Given, octane, C8H18, having a density of 0.703 g/cm³, would have to be burned to produce the same…

Q: Give a specific application of Lechatelier's principle in our daily lives with its concept…

A: As per the Lechatelier's principle, any system in equilibrium when subjected to any external change…

Q: ) Amines with more than six b) aqueous HCI c) A a) water a) butyl amine N-butylbutanamide b) butyl…

A: Smell bad - butyl amine Saponification - hydrolysis of an ester Condensation Polymerization - H20…

Q: (C çH5) 3 P А.) ? HOCH2CH3CH2OH В.) TSOH

Q: 7. 2 SO3(g) 2 SO2(g) + O2(g) : Кр3 16.5; Pso3 = 0.45 atm; Pso2 = 1.52 atm; Po2 = 0.210 atm || 8. 2…

Q: 1. Treat the XY molecule as consisting of nonoverlapping spher- ical X* and Y ions separated by 3.12…

A: Given: Separation between ions X+ and Y- (r) = 3.12 Å = (3.12 x 10-10 m) Ionization energy of X =…

Q: What is the IUPAC name?

Q: For a chemical reaction the rate constant at 41 1 °C is 0.003803 s-1, while the rate constant at…

Q: Calculate the rate constant, k, for a reaction at 54.0 °C that has an activation energy of 86.9…

A: Answer: This question is based on Arrhenius equation which is shown below: logk=-Ea2.303RT+logA…

Q: 2-aminophenol hydrochloride is pictured at right. As is, the acid is fully protonated, the H from…

A: 2-aminophenol hydrochloride, HO-C6H4-NH3+Cl- is a diprotic acid with pka values of 4.70 and 9.97.…

Q: What is the [H30 ] In a solution that has a [OH ]= 2.5 x 10-8 M?

A: We are Given : [OH- ] = 2.5 × 10-8 M

Q: Which of the following is not an expected product of the following reaction ? HBr all of the above…

A: A multiple choice question based on introduction to organic chemistry.

Q: Which of the following voltaic cells will produce the greater quantity of electrical charge per gram…

A: In order to find the total electric charge per gram of anode, we have to identify the anode, the…

Q: The product f Hhis Ea reaction is.

A: We know that , E2 mechanism is bimolecular elimination reaction in which 1,2 elimination takes place…

Q: Posphate NaPOa Classify each reaction according to whether a precipitate forms. Pricipitate forms…

Q: Define: Anisotropy, Heisenberg's uncertainty principle.

A: Anisotropic property is the property of crystal. Heisenberg uncertanity principle shows the…

Q: t that trans-1-bromo-2-methylcyclohexane yields the non-Zaitsev

Q: For the acid-base reaction of sodium bicarbonate, NaHCO3, with hydrochloric acid, HCl, select all of…

A: Given, For the acid-base reaction of sodium bicarbonate, NaHCO3, with hydrochloric acid, HCl,…

Q: OH

Q: OH- concentration ( [OH-] ) of 1.0 x 10-8 M. You can assume that kW = 1.0 x 10-14. Select all…

Q: From kangaroo-tail collagen you have identified a series of substituted prolines. From the titration…

A: Given the pH of the buffer system = 8.5 The deprotonated form of an acid exists when the pH is…

Q: 1. O3 14. 2. (work-up) OH C. A. B. 15. A. В. C. O, NaHCO, NaHco,

A: -> ozonolysis of alkene produce carbonyl compounds. ->In presence of peroxy acid epoxidation…

Q: 1. Name the following molecules: a) CH b) CCCH(CH,)CH, H,CHO CH CH CH- -CH 2. Draw the following…

Q: How do you prepare a 0.5L of 0.3M acetate buffer solution with a pH of 3.6? You are given acetic…

A: Here we have to prepare 0.5 L of 0.3M acetate buffer of pH =3.6 . Given material are acetic acid…

Q: (aq) K, = =1.5x 10 [H,Co, (a)] HCO, (aq) + H;O0) co? (aq) + H.O(aq) (aq) 4.69 x 10 [HCo, (n What is…

Q: When a solid dissolves in water, the solution may become hotter or colder. The dissolution enthalpy…

A: Solutions Given that Here a general chemistry student find that when 17.83 g…

Q: ) Figure 5 shows four energy diagrams, labelled A to D. The diagrams depict possible configurations…

Q: Write the balanced equation for each of the following combustions. a) acetylene + oxygen b)…

A: The combustion reactions given are, a) acetylene + oxygen b) 2-methyl-1-propene+oxygen c) butane +…

Q: Calautade the oxygen demand for the OYYुत०ा ककावाले o oxार्वनीला गरखलमन नी कांकंगनीकन०n. N\W oर ०2…

A: Oxygen demand is calculated as gm of oxygen used for the nitrificition,Or per gm of Nitrogen

Q: . Draw the scheme of theophylline metabolism (name all metabolites).

A: The answer is given below

Q: solution of weak acid ammonium bromide

Q: A 0.1220 g vitamin C tablet was dissolved in acid. This required 11.50 mL of 0.01740 M KIO, to reach…

A: here we are required to find the percent by mass of ascorbic acid in the tablet. Molar mass of…

Q: A 6.07-g sample containing magnesium chloride (95.211 g/mol) and sodium chloride (58.44 g/mol) was…

A: Given the mass of Mg2P2O7(s) formed after complete ignition of the precipitate = 0.5412 Molar mass…

Q: Consider the photohalogenation of 2,3-dimethylbutane using Cl2(g). Draw the possible monohalogenated…

A: The structure of 2,3-dimethylbutane is The reactivity of 3° hydrogens are 5.2 times more than 1°…

Q: Give the condensed structure and the IUPAC name of the product/s for each of the following reactions…

Q: N-O* ?

Q: Draw the starting material that would be needed to make this product through an intramolecular…

Q: Given the partial pressure of H2 (g) PH2 = 0.0500 atm, [Cd2]= 0.150 M and the pH of the cell is…

A: Given redox reaction is Cd(s) + 2H+(aq) →H2(g) + Cd2+(aq); E0 = 0.400 V pH of the cell = 2.34…

Q: (a) A solution of 20.91 % by weight H2SO4 has a specific gravity of 1.150. What is the normality of…

A: A solution of 20.91 % by weight H2SO4 has a specific gravity of 1.150 .The new solution has 3.03 %…

Q: Suppose that a chemical equation can be written as the sum of two other chemical equations. If two…

A: Given-> ∆H for first reaction (∆H1) = -658 KJ ∆H for second reaction (∆H2) = +458 KJ

Q: 0.0050 mole of NaOH is added to 0.50L of the buffer solution 0.24 M NH3 and 0.20 M NH4Cl) what is…

Q: Lactic acid, (abbreviated HLac) is a key acid in making sauerkraut and tasty sourdough bread. The Ka…

A: Answer: A buffer solution is a type of solution that resists the change in its pH on adding small…

Q: the separatory funnel. Repeat this until the aqueous layer is twice the volume of the organic layer.…

Question

Expert Solution

This question has been solved!

Explore an expertly crafted, step-by-step solution for a thorough understanding of key concepts.

SEE SOLUTION Check out a sample Q&A here

Step 1 Solution

VIEW

Step 2

VIEW

Step by step

Solved in 2 steps with 1 images

SEE SOLUTION Check out a sample Q&A here

Knowledge Booster

Learn more about

Need a deep-dive on the concept behind this application? Look no further. Learn more about this topic, chemistry and related others by exploring similar questions and additional content below.

Similar questions

A 0.200-g fat was reacted with excess ICl. The remaining ICl was reacted with KI to form I2 and the iodine formed was titrated against a 0.100-N Na2 S2O3 and consumed 43.5-mL of the titrant. A blank analysis was performed, and 65.0-mL of the titrant was used. Calculate the iodine number of the fat.
A student trying to determine the Ksp for Calcium hydroxide used 10.15 mL of 0.050 M HCl to neutralize the initial volume of 15.00 mL Ca(OH)2 solution. If the accepted value of the Ksp for Ca(OH)2 is 6.5 x 10-6 calculate the percent error from this experiment.
What is meant by water hardness? Explain the difference between temporary and permanent hardness.
We prepared a 100.0 μg/mL quinine stock solution by transferring 100.0 mg of quinine to a 1-L volumetric flask, adding 50 mL of 1 M sulfuric acid and diluting to volume with deionized or distilled water. Find the molecular weight of quinine and determine the molar concentration of the 1µg/mL quinine standard.
You need to make a 1% agarose gel in 1X SB buffer. How would you make 500 ml of 1X SB buffer from a 20X SB stock? How many grams of agarose would you use in a 50 ml gel?
A 0.735 g sample of wheat flour was analyzed by the Kjeldahl method. The ammonia formed by addition of concentrated base after digestion with H2SO4 was distilled into 50 mL of 0.10 M HCl. The excess HCl was then back titrated with 22.3 mL of 0.15 M NaOH. Calculate the percent protein in the wheat flour sample (6.25 g of cereal protein for every g of N).
In the conductivity test, _____________________ will result to a dimly lit light bulb. a. 1.0 M citric acid b. Mixture of 10.0 mL 1.0 M Mg(OH)2 and 10.0 mL 1.0 M HNO3 c. 70% (v/v) ethanol d. Glacial acetic acid
If sodium benzoate, a food preservative, is excreted as such and if calcium propionate, another food preservative, is metabolized to CO2 and H2O, would you consider either of these preservatives to be a nutrient? If so, why?
Which of the following will result to a dimly lit light bulb when subjected to the conductivity test? a. 1.0 M citric acid b. Glacial acetic acid c. Mixture of 10.0 mL 1.0 M Mg(OH)2 and 10.0 mL 1.0 M HNO3 d. 70% (v/v) ethanol
What is the effect in tablet weight when the concentration of Avicel® PH 101 and compression force are increased?
Mola and Rity were tasked to analyze the acidity of a 10.0-mL fermented milk sample diluted with water in a 250-mL volumetric flask. Mola obtained a 15.0-mL aliquot of this solution, diluted it to 50.0 mL, and then titrated this diluted sample. Titration data were given to Rity and she found out that the 50.0-mL diluted sample contains 0.21 mmol of lactic acid. MW: Lactic Acid (90.08) Follow proper significant figure rulesa. What is the lactic acid concentration (in M) of the titrated sample? b. Determine the lactic acid content (in M) of the 10.0-mL fermented milk sample. c. What is the lactic acid concentration (in %w/v) of the 10.0-mL fermented milk sample?
Mola and Rity were tasked to analyze the acidity of a 10.0-mL fermented milk sample diluted with water in a 250-mL volumetric flask. Mola obtained a 15.0-mL aliquot of this solution, diluted it to 50.0 mL, and then titrated this diluted sample. Titration data were given to Rity and she found out that the 50.0-mL diluted sample contains 0.21 mmol of lactic acid. What is the lactic acid concentration (in M) of the titrated sample?