Select the strongest acid. Succinate (pKa = 5.64) %3D Phenol (pKa = 9.9) Formic acid (pKa = 3.75) %3D
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- Please only answer parts D and E, the rest has already been answered. This is the study of Biochemistry.#2 please- What conclusion may be drawn about the possibility of a solution of pure soap in distilled water having a pH of 7.0?What are the components of a lysine buffer at pH 9.2? Refer to the following forms of lysine: A H B H H H H;N-C-COOH H;N-C-coo- H,N-C-c0- H,N-C-coo- CH2 CH2 CH2 CH. CH2 CH, pk-2.17 pk=4.04 pk=12.48 CH, CH, ÇH2 CH, CH. CH, CH, CH. CH, CH, NH, NH, NH, NH, . A and B .C and D .B and C . A and D B and D
- Identify the acid and conjugate base in each reaction. Calculate the pKa for each acid. List them in order from the strongest to weakest acid. The acid-ionization constants, Ka, at 25°C are listed for each. a. HC2H3O2 + H2O ↔ H3O+ + C2H3O2-acetic acid, KA = 1.7 x 10-5 b. HC7H5O2 + H2O H₂O+ + C7H5O2-benzoic acid, KA= 6.3 x 10-5 c. HC6H4NO2 + H2O ↔ H3O++ C6H4NO2-nicotinic acid, KA = 1.4 x 10-5Please answer each part thoroughly and with explanations. This is BiochemistryYou need to make a protein buffer of: . • • 100 mM NaCl 25 mM Tris 8 5% w/v glycerol • 2 mM DTT Your stock solutions are: 5 M NaCl • 2 M Tris 8 • 70% w/v glycerol • DTT @ 154.25 g/mol How would you make a 1L protein buffer Solution? Show your work and describe.
- Refer to the following titration curve below: 13 12 11 10 7 6 5 4 4 6 8 10 12 14 16 18 20 22 24 26 28 30 Volume of Titrant / mL - Unknown Acid 0.10 mol/L - titrant = NaOH 0.1 mol/L What is the isoelectric point of histidine, according to the titration curve? Input your answer until the first decimal point. 2. 9,Example The reference range for blood pH is 7.35 – 7.42. What is this range expressed as [H+] in nmol l-1? Calculation: pH = - log [H+] 7.35 = - log [H+] [H+] = antilog -7.35 = 4.47 x 10-8 mol.l-1 = 44.7nmol.l-1 similarly: pH 7.42 = 38.0 nmol.l-1 Range [H+] = 38 – 44.7 nmol.l-1 If the blood pH decreases in an acidosis from 7.42 to 7.15, what is the change in [H+] in nmol.l-1? so this is example on the worksheet, but i still understand how to answer the question.A 0.200 M solution of a weak monoprotic acid (HA) has a pH of 2.35. What is the value of K of this acid? a K =2.011e-4 a What is the percent ionization of this acid? Percent Ionization = .10 %