Given a 0.300 M solution of anserine at its isoelectric point and ready access to 0.100 M HCl, 0.100 M NaOH and distilled water, describe the preparation of 1 L of 0.0300 M anserine buffered solution, pH 7.20. Volume of stock solution needed =  mL Volume of HCl needed to adjust the imidazole group =  mL Volume of HCl needed to titrate the amino group =  mL Total HCl needed =  mL

Q: The pka values of a compound with two ionizable groups are pk1 = 4.10 and pk2 between 7 and 10. A…

A: Given, pK1=4.10 pK2 = between 7 and 10 Calculating the values of pK2. By using the…

Q: Chloride in serum is determined by titration with Hg(NO,)2; 2C1 + Hg²+ = HgCl,. The Hg(NO;), is…

A: Kindly get the answer given below.

Q: 10.00 mL sample of 1.20 M HNO2 (analyte) (pKa = 3.34 and Ka = 4.57x10-4) is titrated with 1.20 M…

A: Given , pka = 3.34 Molarity of HNO2 = 1.20 M Volume of HNO2 = 10 mL Mmol of HNO2 = M × V   = 1.20…

Q: 1.Calculate the change in ph when 5ml of 1M HCl solution is added to 1L of 100mM Tris solution at ph…

A:

Q: A solution of amino acid having carboxylic side chain was titrated against NaOH. If initial pH of…

A: Initial pH of the amino acid having carboxylic acid is 2.8. An isoelectric point is the pH at which…

Q: 10.71

A: Molarity of HCl(M)= 0.050 M Volume of HCl(V) = 25 mL Mmol of HCl =  M × V      = 0.050 × 25 = 1.25…

Q: You tested the buffer capacity of 50 mL of a 40 X dilution of a 0.012 M Glutamic acid solution.…

A: pH+ pOH = 14 pOH = - log [OH-]   Also, No of moles = Molarity * Volume (L)

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

A: The given problem can be solved by using the Henderson-Hasselbalch formula given below as; pH = pKa…

Q: A chemist has synthesized a monoprotic weak acid and wants to determine its pKa value. To do so,…

A: The strength of acid is determined by acid dissociation constant.

Q: Which acid-conjugate base system should you use to prepare a buffer with a pH of 9.0?…

A: pH = 9.0  According to Henderson hasselbach equation pH of buffer solution can be calculated as- pH…

Q: An analytical chemist is titrating 220.7 mL of a 0.3400M solution of trimethylamine ((CH,) N) with a…

A: Concept:  pH of acidic solution: The pH of an acidic solution can be calculated by using the…

Q: Please sketch the titration curve of lysine. Then annotate X-axis, Y-axis, each pKa, PI and…

A: Here we are required to sketch the titration curve of lysine

Q: An analytical chemist is titrating 150.8 ml. of a 0.8200M solution of trimethylamine ((CH,)N) with a…

A:

Q: 50.00 mL of a solution containing iron (II) and iron (III) when titrated at pH2.0, 12.50 mL 0.01200…

A: Option B should be the correct answer. We know that the metal ion which is titrated without…

Q: An analytical chemist is titrating 187.6 mL of a 0.4000M solution of trimethylamine ((CH3),N) with a…

A: Given volume of (CH3)3N = 187.6 mL  Molarity of (CH3)3N = 0.4000 M  Molarity of HNO3 = 0.7000 M…

Q: a. Calculation of the pH of a Solution of a Polyprotic Acid Histidine has ionizable groups with pKa…

A:

Q: Calculate the pH of the solution after the addition of each of the given amounts of 0.0554 M HNO3 to…

A: “Since you have posted a question with multiple sub-parts, we will solve first three sub-parts for…

Q: 3. (a) How many grams of sodium succinate (140 g/mol) and disodium succinate (162 g/mol) must be…

A: A buffer solution of 50Mm with a pH 6, has to be prepared using sodium succinate and disodium…

Q: 1. When making a buffer of pH = 10, weak molecules with the following Ka values are available.…

A: Answer of 1&3 is given below, as in equation 2 there is not statement is given so answer is not…

Q: How many grams of hyrogen phosphate and Sodil dinydrogen phosphate are heeded to make 100 mL of a…

A: Since you have asked multiple questions, we will answer only first question for you. In order to get…

Q: What is the pH of an acidic mixture containing 0.062 M hydrazoic acid (Ka = 1.9 * 10-5) and 0.062 M…

A: Henderson-Hasselbalch equation explains the relationship between  of solution and  of acid. For a…

Q: What volume of 0.100M acetic acid and 0.100M sodium acetate would be required to produce 1.00 L of…

A: The ratio of concentrations of sodium acetate to acetic acid is equal to the ratio of number of…

Q: A 250.0-mg sample of an organic monoprotic weak acid was dissolved in an appropriate solvent and…

A: When acid is neutralized by a base then equivalent of both acid and base will be equal. We should…

Q: Consider the list of acids and their pKa values attached What two compounds would be best to use in…

A: Buffers are effective when the pKa values are closest to pH.

Q: An analytical chemist Is titrating 108.4 mL of a 0.2200M solution of plperidine (CH10 NH) with a…

A:

Q: When a solution of leucine (an amino acid) in water is titrated with a strong base, the pH before…

A: given, at midpoint pH = 2.86   at mid point of titration, pH = pka = 2.86 thus, ka = 10-pka =…

Q: Derive the titration curve when titrating 100.0mL of 0.100M weak base aniline (pka = 4.601) with…

A:

Q: Calculate the pH of an acetate buffer that contains 0.0300 M CH3COOH and 0.0400 M CH3COO-. pKa =…

A: Henderson equation: pH = pKa + log[CH3COO-]/[CH3COOH]

Q: 3. Calculate the pH of the 0.02M 2-aminophenol ampholyte considering that 2-aminophenol has pka1 =…

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

Q: The pH of a solution containing 0.010 M lactic acid and 0.087 M lactate is 4.80. Calculate the pKa…

A: Given:Concentration of lactic acid = 0.010 M Concentration of lactate = 0.087 M  pH of the solution…

Q: You wish to make a buffer of 500 mL at 0.1 M sodium phosphate at pH 6.5. If the molecular weight of…

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

Q: A buffer solution of 0.1 M concentration with a buffering zone of 3.74-5.74 pH value , specify what…

A: The considered buffer solution is 0.1M in concentration. The buffering zone is mentioned to range…

Q: A solution of an unknown weak base (0.495 g in 100 mL of water) was prepared and titrated with…

A: Here we have to select which of the following bases is weak based on the given data. Data: Molarity…

Q: Harriet Rowki prepared 100.0 mL of 2.50 M H3BO3-NaH2BO3 buffer solution (pH = 8.50). The pKa value…

A: A buffer solution is an aqueous solution consisting of a mixture of a weak acid and its conjugate…

Q: Write the balanced equation for each reaction and calculate the equilibrium constant for each…

A:

Q: f a tetrapeptide, glutamate-glycine-alanine-lysine.

A: In this pI value concentration of Zwetterion is maximum and charge is neutral it can bot move in…

Q: In titrating 10 ml of 0.1 M basic amino acid (pKa1= 2, pKa2 = 4, pKa3 10),the pH after the addition…

A: Molarity of Basic Amino acids = 0.1 M Volume of basic Amino acids = 10 mL Moles of Basic Amino acids…

Q: A 865.6 gram sample of bacon was pureed in a blender with 100 mL water. The suspension was filtered…

A: The ratio of moles to the volume in liters is known as molarity.

Q: After removing the membranes from an eggshell, the shell is dried and its mass recorded as 5.613 g.…

A: Molarity of EDTA = 0.04988 M Volume of EDTA = 44.11 mL Moles of EDTA = Molarity×Volume=0.04988 M…

Q: Calculate the pH of the solution after the addition of each of the given amounts of  0.0603 M HNO3…

A: Given,  Molarity of HNO3 = 0.0603 M  Volume of aziridine (say B) in mL = 60.0 mL  Molarity of…

Q: Indicate using true or false for each of the following statements: 7. The pH of a solution…

A: The pKb of ephedrine is calculated by using the formula pKb = -log [Kb]. The pKb of ephedrine is…

Q: Calculate the pH of a buffer in which [HC4H7O2] = 0.36 M and [C4H7O2 –] = 0.31 M. How do you…

A: The buffer is made from HC4H7O2 and C4H7O2 –. Thus this is a buffer of a weak acid.  Let us consider…

Q: Suppose a biochemist has 10 mL of a 1.0 M solution of a compound with two ionizable groups at a pH…

A: Given in following question

Q: A mixture of Al3+ and Mg2+ in a sample of water. Explain a procedure to analyse this mixture using…

A: Aluminium ion, Al3+, form stable complex with EDTA than Mg2+does.

Q: How many moles of sodium acetate must be added to 500 mL of 0.25 M acetic acid solution to produce a…

A:

Q: A sodium hydrogen carbonate/sodium carbonate buffer system is to be prepared with a pH of 9.89.  The…

A: Answer is explained below.  The given information are as follows:

Q: Sketch a pH titration curve for Tyr. Show the species present at each equivalence point and indicate…

A: An amino acid contains amine group as well as the carboxylic acid group, as the name amino acid…

Q: Sketch a titration curve for the amino acid lysine and indicate the pKa values for all titratable…

A:

Q: What weight of Na2HPO4 and H2PO4 would be required to prepare 200mL of a buffer solution of pH 7.40…

A: Given data,   Na2HPO4 and H2PO4  prepared 200mL of a buffer solution of pH 7.40  Ionic strength =…

Q: Use the Henderson-Hasselbalch equation to calculate the pH of a solution of HEPES buffer made from…

A: Given -> Volume of conjugate base = 150 ml Molarity of conjugate base = 0.4 mM = 0.4 × 10-3 M…