(chose te es aswe)exhibis a sable pH gradient when ampholytes become distrbuted in anelecric fed.O rlates he unknown proein to aseries of potein markerswih known molecular weight, M.neutralizes al oi groups on a potein by tirating hem with stong basSES.O ontain dentring degent ha candistrbute mniorm negaive chages oNr the potinsurfoe.O is made of a series of atibodes specicto the protein of nterest.

Option (a):To find out isoelectric point (pI) of a protein, Isoelectric focusing (IEF) method is…

Answered: (chose te es aswe) exhibis a sable pH…

Fundamentals Of Analytical Chemistry

9th Edition

ISBN:9781285640686

Author:Skoog

Publisher:Skoog

Chapter16: Applications Of Neutralization Titrations

Section: Chapter Questions

Problem 16.37QAP

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Whi‎ch of the fo‎llowing ill‎ustrates chel‎ate effect ? Select one: a. Ni+2 coordi‎nated with 6 NH3 wi‎ll have low‎er K‎f tha‎n Ni+2 coo‎rdinated wi‎th 1 ED‎TA b. Cu+2 coord‎inated with 2 en w‎ill ha‎ve hig‎her Kf than Ni+2 coordi‎nated wi‎th 3 en c. Ni+2 coord‎inated with 6 N‎H3 will hav‎e high‎er Kf than Ni+2 coord‎inated with 1 NH3.d. Ni+2 coor‎dinated with 6 NH3 will h‎ave higher Kf than Ni+2 coo‎rdinated w‎ith 5 NH3
Chlorhexidine gluconate is available in different products in concentrations of 4% w/vand 0.12% w/v. H ow many milliliters of the more dilute product may be prepared fromeach fluidounce of the more concentrated product?
1) When we prepare a glycine solution, why we add 10 ml of 0.20 M KCl a) inceasing the ionization of glycine into ionic species b) render the glycine solution to a buffer capacity c) expose the acidity nature of the carboxylic group 2) the phase equilibria H2O (s) - - - > H2O (l) is established when a) the vapor pressure is lower than atm pressure at equilibrium b) the free energy change of system is less than 0 c) the free energy change is greater than 0 d) the gibbs free energy of both phases are equal
The pKa value of CH3COOH/CH3COO- is 4.75. At what pH value are the concentration of CH3COO- and CH3COOH the same?
3. Choose among the choices (an) example/s of (an) amphiprotic species.a. HClb. Glycine zwitterionc. H2PO4-d. Both A and Ce. Both B and C 4. Choose among the choices (an) example/s of (an) solvents that do not undergo autoprotolysis.a. H2Ob. CH3CH2OHc. CH3CNd. Both A and Be. All of the above
1.Which of the following correlations about the analyses of iodine and saponificationnumbers is/are incorrect?a. Alcoholic KOH: dissolve KOH to lipid sampleb. Hanus reagent: react with saturated lipid bondc. Reflux set-up: hasten reactiond. Blank titration: determine total mol of KOH2. A triacylglycerol (Sample X) was subjected to saponification analysis. 1.1 grams of thesample was refluxed with 5% alcoholic KOH and the refluxed solution was titrated with 17.2 mLof 0.44 M HCl titrant. The blank solution was titrated with 25.6 mL of the titrant.i. What is the saponification number of the sample? ii. Which of the following could be the identity of the sample? Show solutions pls a. Tripalmitin (MW: 807.3)b. Trilaurin (MW: 639.8)c. Triolein (MW: 885:4)d. Tristearin (MW: 891.48)
You wish to prepare an HC2H3O2 buffer with a pH of 5.14. If the pKa of is 4.74, what ratio of C2H3O2⁻/HC2H3O2 must you use?
Relationships among E° cellv G°, and K
d. The Ka of acetic acid (found in vinegar) is 1.8×10-5. Then the pKa of formic acid is
A prednisolone solution contains 15 mg prednisolone per 10 mL. What is the percentage strength (w/v) of the prednisolone in this prescription? (Answer must be numeric; no units or commas; round the final answer to the nearest HUNDRETH.)
The Ka of lactic acid is 1.38 x 10^-4
Answer the following. Only V and VI V.Give the structure of EDTA chelated with a calcium ion, then indicate the binds involved VI. Conclusion

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