Calculate the pH of a 0.100 M alanine (HL/intermediate form) solution. pKb1 = 4.29 and pKb2 =11.67.

Q: At pH 7.4, the pH of blood plasma, do the majority of protein-derived amino acids bear a net…

A: Concept introduction: Isoelectric point (pI) is defined as pH at which the protein has no net…

Q: Calculate the pH of a 1.22×10-2 M solution of the decongestant ephedrine hydrochloride if the pKb of…

A: The pH of the decongestant ephedrine hydrochloride can be calculated as

Q: Calculate the pH and the percentage of ionization of 30 grams of sodium glycolate (C2H3O3Na) in 20…

A: Sodium glycolate(C2H3O3Na) is a conjugate base of glycolic acid(HC2H3O3). The Ka of glycolic…

Q: For the amino acid Lysine draw the two predominant species when the pH is 10, You do not need to…

A: The structure of amino acid lysine is:

Q: Sodium phosphate has 3 ionizable groups, with pKa’s of 2.2, 7.2, and 12.3. You have 250 mL of a 200…

A: A solution containing a weak acid and its conjugate base at any proportion forms a buffer. This…

Q: Calculate the pH of a 1.01×10-2 M solution of the decongestant ephedrine hydrochloride if the pKb of…

A: Given:Molarity = 1.01×10-2 MpKb of ephedrine = 3.86we need to Calculate the pH.

Q: Calculate the pH of a 0.100 M solution of alanine prepared from the form shown below. pKa (-COOH) =…

A: Since you have asked multiple questions, we will solve the first question for you. If you want any…

Q: Write the expresson for the dissociation constant, Ka for an aqueous solution of butanoic acid.…

A:

Q: Glutamine (HQ) is a diprotic amino acid with Kal = 6.5 x 10-3 and K2 = 1.00 × 10-9. Determine the pH…

A: The pKa1 value of glutamine is obtained due to the dissociation of COOH group and the pKa2 value of…

Q: Calculate the pH, [H2L*], [HL], [L] for each solution of the amino acid proline (Kal = 1.12 x 102…

A: Since you have asked multiple questions, we will solve the first question for you. If you want any…

Q: For valine, methionine, GABA and proline, write the zwitterion. Using valine as an example, describe…

A: A zwitterion, also known as inner salt or dipolar ion, is an overall neutral species in which two or…

Q: Calculate the pH of a 0.0101 M solution of arginine hydrochloride (arginine · HCI, H, Arg*).…

A: Concentration of solution = 0.0101M

Q: Calculate the number of millimoles(mmol)in 500 mg of each of the following amino acids: alanine…

A: The relation between mass, molar mass and mole is given by : Mole = mass/molar mass

Q: Alanine (HA) is a diprotic amino acid with K,1 = 4.53 x 10 and Kg = 1.36 x 10-10. Determine the pli…

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Q: What is the acid dissociation constant Ka for its conjugate acid? If the base dissociation constant…

A: Conjugate acid of hypochlorite ion is,

Q: Predict the pH of 29 mM serine.

A: pH refers to the potential of hydronium ion and is a measure scale of how acidic/basic a compound…

Q: pKal Calculate the isoionic and isoelectric pH of 0.02057 M glutamine. Enter your answers to the…

A: We have given that  for Glutamine pK1 = 2.19 pK2 = 9.00 Concentration = C = 0.02057M Kw = 10-14 I)…

Q: Where is the effective buffering range for this amino acid in the acidic region?

A: Buffer is the solution that resists change in pH when small amount of acid or base is added to it.…

Q: Glutamine (HQ) is a diprotic amino acid with Ka = 6.5 × 10 and K2 = 1.00 × 10". Determine the pH of…

A: Note - Since you have asked multiple question, we will solve the first question for you. If you want…

Q: Write the Zwitter ionic form of aminoacetic acid.

A: The general formula of the Zwitterionic form of an amino acid is C2H4NO2.

Q: Q1. The pK, values of Glutamic acid are 2.2, 4.3 and 9.7. H2N но. ... OH (a) Calculate the pH of a…

A: The question is based on the concept of biomolecules. We have to determine the pH at which 80% of…

Q: Calculate the pH of a 0.0148 M solution of arginine hydrochloride (arginine-HCI, H2Arg+). Arginine…

A:

Q: The pH of the given solution of lactic acid and lactate is 5.24. Calculate the pKa of lactic acid,…

A:

Q: Methylamine CH3NH2 is a weak base with pKb =3.36. What is the value of Ka for the trimethylammonium…

A: Answer: This question is based on conjugate acid-base pair.

Q: Describe the pH range of acceptable buffering behavior for the amino acids alanine, histidine,…

A: The pH range of amino acids alanine, histidine, aspartic acid, and lysine is to be described. Amino…

Q: The pH of a solution determines the form of an amino acid. Determine which condition corresponds to…

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Q: A 1.384 g sample of N-2-acetamido-2-aminoethane-sulfonic acid potassium salt (ACES¬K*, MW = 220.29…

A: The reaction is ACES-K + HCI ACES + KCI One mole of HCl reacts with one mole of ACES-K to give one…

Q: A protein has minimum solubility dissolved in a solution of 2.0 mL of water, 7.0 mL of 0.2 M sodium…

A: Given: The concentration of sodium acetate = 0.2 M The concentration of acetic acid = 0.5 M…

Q: Erythromycin is a weak base with a pka of= 5.2 What will be the ionisation state of the drug in…

A: Actually Erythromycin is a weak base with pKb = 5.2  Hence pKa = 14 - pKb = 14 - 5.2 = 8.8  The…

Q: Glutamine (HQ) is a diprotic amino acid with Kaj = 6.5 x 103 and K2 = 1.00 x 10-9. Determine the pH…

A: In order to find the pH in each of the following cases we first write down the given data: Answer…

Q: Plot the titration curves of valine and lysine amino acids in basic medium and calculate the pI…

A: amino acids have ionisable group which ionizes at different condition depending on pH of the…

Q: What is the pH of a 0.430 M solution of C₅H₅NHBr (Kb of C₅H₅N is 1.7 × 10⁻⁹)?

A: pH= 1/2(pKb-logc) Here given Kb=1.7×10-9,hence pKb=-logKb=-log(1.7×10-9) given c=0.430 M

Q: A 1.083 g sample of N-2-acetamido-2-aminoethane-sulfonic acid potassium salt (ACES K*, MW = 220.29…

A:

Q: Valine (HV) is a diprotic amino acid with Kal = 5.18 x 10 and Ka2 = 1.91 X 10". Determine the pH of…

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Q: The pKa values for the amino and carboxyl groups of alanine are 9.69 and 2.35, respectively.…

A: In any buffer, if any strong acid gets added then the existing conjugate salt basically abstracts…

Q: The amino acid phenylalanine can be made in the laboratory. Choose the correct reagents needed to…

A:

Q: Sodium bromide is determined by Fajans-Fisher-Khodakov method. Idicator fluorescein. Accepted pH…

A: PH    = 6.5 - 10.3

Q: Glutamine (HQ) is a diprotic amino acid with Kal = 6.5 x 10-3 and K2 = 1.00 x 10–9. Determine the pH…

A: The pKa1 value of glutamine is obtained due to the dissociation of COOH group and the pKa2 value of…

Q: provide an explanation of the graphs (a) and (b) the relationship of the biological activity of the…

A: Sulfonamide (also known as sulfa drugs) is the fundamental functional group of more than a few…

Q: C. What is the pH if 30.0 mL of 0.20M NaH2PO4 was mixed with 35.0 mL of 0.30M NazHPO4? The pKa…

A: From the Henderson Hasselbalch equation, the pH of a buffer solution is given by: pH = pKa +…

Q: Calculating the pH of a weak base solution The base protonation constant K, of morpholine (C,H;ONH)…

A: Given, Kb of morpholine (C4H8ONH) = 2.14 × 10-6 Concentration of morpholine (C) = 1.3 M pH = ? Note:…

Q: Valine is an amino acid that can take on many protonated and unprotonated forms. It has a weakly…

A: Interpretation: The pKa value of carboxylic acid group in value is low. This means that it is highly…

Q: All amino acids have two ionizable functional groups: an a-amino group (average pK, of 9.4) and an…

A: The deprotonation of an acidic group takes place at a pH higher than the pKa value.  Hence the…

Q: Formic acid has Ka = 1.8 x 10-4. Calculate the pH of a solution that is 1.43 M sodium formate,…

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Q: Q1. The pK, values of Glutamic acid are 2.2, 4.3 and 9.7. H2N но. HO (a) Calculate the pH of a…

A: The question is based on the concept of equilibrium. we have to determine the pH at which 80% of the…

Q: If an amino acid has pKa1 = 2.71 and pKa2 = 9.31, at what pH value in aqueous solution would the…

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Q: For the amino acid glutamate, what fraction of the side-chain (R-group) will be ionized at pH = 3.5?…

A: