A student needs to prepare a buffer solution with a pH of 5.83. Assuming a pKą of 4.76, how many mL of 0.1 M B- would need to be added to 20.0 mL of 0.1 M HB prepare this buffer? Please include a proper (abbreviated) unit.

Q: In titrating 40.0 ml of 0.10 M of HCI solution with 0.15 M of KOH solution, what would be the pH of…

A: Given: Concentration of HCl = 0.10 M Volume of HCl solution used = 40.0 mL = 0.040 L…

Q: An aqueous solution contains 0.370 M nitrous acid. How many mL of 0.236 M potassium hydroxide would…

A: Solution: We know nitrous acid (HNO2) is a weak acid and KOH is the strong base. So they can form…

Q: What is the pH of a buffer that is created by mixing 24.1 mL of 0.47 M NH3 and 23 mL of 0.35 M…

A: We have to find pH of given buffer

Q: A student needs to prepare a buffer solution with a pH of 5.59. Assuming a pK a of 4.54, how many mL…

A: Given pKa of HB = 4.54 By using the equation,

Q: The K, of hydroxylamine, NH,OH, is 1.10 x 108. A buffer solution is prepared by mixing 100.0 mL of a…

A: A buffer solution is a mixture of a weak acid and its conjugate base or a weak base and its…

Q: hosphoric acid is a triprotic acid with the pK, values pKa1 = 2.148, pK2 = 7.198, and pK3 = 12.375.…

A: The question is based on the concept of buffer solution.   A buffer is a solution which resist any…

Q: A chemist needs a buffer with pH 4.35. How many milliliters of pure acetic = 1.049 g/mL, Ka =…

A: pH of buffer solution =  4.35

Q: a buffer solution consisting of 0.15 moles of ammonia dissolved in half a liter of water. how much…

A: A buffer solution s composed of the weak acid and its conjugate base or weak base and conjugate…

Q: When 0.020 mol of NaOH is added to 400. mL 0.250 M NH3/ 0.150 M NH4Cl buffer solution, the pH of the…

A: The question is based on the concept of buffer solution.   A buffer is a solution which resist any…

Q: A student needs to prepare a buffer solution with a pH of 5.20. Assuming a pKą of 4.52, how many mL…

A: I have attached the detailed solution to the question below.

Q: An aqueous solution contains 0.464 M hypochlorous acid.How many mL of 0.364 M sodium hydroxide would…

A: The reaction as follows,

Q: How many moles of potassium hydroxide would have to be added to 150 mL of a 0.363 M hydrocyanic acid…

A: Buffer solutions are the solutions containing a mixture of weak base and its conjugate acid or a…

Q: 1_Determine the volume of concentrated ammonia and the weight of ammonium chloride needed to prepare…

A:

Q: When you prepare a buffer, it is recommended to use a weak acid whose pKa is close to the pH…

A: Here we have to explain why to make a buffer solution the weak acid chosen should have pKa close to…

Q: A solution is made with 554 ml of 8.21 M HX solution and 549 mL of 6.06 M Nax solution and the pH at…

A:

Q: A buffer solution was prepared by mixing 568.0 mL of 0.299 M NaOCI and 210.8 mL of 0.174 M HOCI.…

A: Given data :

Q: prepare a "ph curve" as follows: a) Find the pH of the acid solution just befor the end point when…

A: The equivalence point is defined as the point in the titration when the analyte is completely…

Q: 4. Formic acid, HFor, has a K, value equal to about 1.8 × 10¬4. A student is asked to prepare a…

A: A buffer solution is formed by the mixture of acid and its conjugate base in such a way so that it…

Q: An aqueous solution contains 0.339 M nitrous acid. How many mL of 0.370 M sodium hydroxide would…

A:

Q: An aqueous solution contains 0.494 M ethylamine (C2H5NH2). How many mL of 0.206 M hydroiodic acid…

A: Given data,Molarity of ethylamine=0.494MMolarity of HI=0.206MVolume of buffer=225mL=0.225LpH=10.6…

Q: A student needs to prepare a buffer solution with a pH of 4.07. Assuming a pKa of 4.59, how many mL…

A: Given : pH of buffer solution = 4.07  pKa of acid = 4.59 Concentration of NaOH = 0.1 M Concentration…

Q: You are to prepare a 500.0-mL buffer solution. ou have exactly 0.125 mol of NaO2CCO2H. Prepare a…

A: Note : both questions are interrelated.  Given: Volume of buffer solution = 500 mL , pH = 2.250 and…

Q: Explain how does a solution butanoic acid and potassium butanoate can function as a buffer solution?…

A:

Q: You need to prepare an acetate buffer of pH 5.30 from a 0.712 M acetic acid solution and a 2.18 M…

A: When an "acid and base react" with each other, the product is a "salt and water". This type of…

Q: A student needs to prepare a buffer solution with a pH of 4.67. Assuming a pkg of 4.69, how many ml…

A: According to Henderson Hasselbalch equation, the pH of a buffer is given by, pH = pKa + log Volume…

Q: Find pH if, at equilibrium, [H2CO3] = 0.060 M and [HCO3-] = 0.015 M.

A: Concept:  The study of the chemical processes occurring in living matter is called biochemistry. It…

Q: Formic acid, HFor, has a Ka value of 1.8 x 10^-4. You need to prepare a buffer having a pH of 3.25…

A:

Q: 30.0 mL of titrant is required to reach the equivalence point in the titration with a strong base o…

A: Given :  Volume of titrant required = 30.0 ml  Dissociation constant of formic acid is not given in…

Q: How many grams of dry NH,Cl need to be added to 1.60 L of a 0.100 mol L- solution of ammonia, NH3 ,…

A: We have a buffer solution of base NH3 and salt NH4Cl.      From henderson hasselbalch equation ,…

Q: A student needs to prepare a buffer solution with a pH of 4.54. Assuming a pK, of 4.58, how many ml…

A:

Q: What is a buffer capacity? What are the factors that affect buffer capacity? Explain briefly how…

A: In this question we will be talking about a buffer solution and will give the definition of buffer…

Q: For the titration exp., the pH of the vinegar used was found to be 2.45 which is equivalent to 0.700…

A: Number of moles of solute to the volume of solution in liters is known as molarity.

Q: When the pH is below the pKa, is the buffer species more or less than 50% protonated? Explained in…

A: Given -> pH is below the pKa value.

Q: What volume of 2.00 M NaOH must be added to 150.0 mL of 1.50 M lactic acid to produce a buffer…

A: Given: pH of solution = 4.00 Concentration of NaOH = 2.00 M Ka of lactic acid = 1.38 × 10-4…

Q: A student needs to prepare a buffer solution with a pH of 5.63. Assuming a pką of 4.49, how many mL…

A: Given: pH = 5.63 pKa = 4.49 Let M1 & V1 be molarity & volume of B- and M2 & V2 be those…

Q: A student needs to prepare a buffer solution with a pH of 5.86. Assuming a pką of 4.30, how many mL…

A: Given: pH = 5.86 pKa = 4.30 Concentration of NaOH = 0.1 M Concentration of HB = 0.1 M Volume of HB =…

Q: An aqueous solution contains 0.345 M dimethylamine ((CH3)2NH). How many mL of 0.370 M hydroiodic…

A:

Q: For 300.0 mL of a buffer solution that is 0.245 M in HCHO, and 0.300 M in KCHO,, calculate the…

A: Initial pH is calculated using Henderson Hasselbalch and.  Then to calculate final pH after adding…

Q: pka of Hypobromous acid is 8.60 What must be the minimum concentration of hypobromous acid in 1.00L…

A:

Q: Formic acid, HFor, has a K, value equal to about 1.8 x 104. A student is asked to prepare a buffer…

A: Since the pH of monoprotic acid buffer is given by Henderson-Hasselbalch equation as  where pKa =…

Q: The pH of 0.10M methylamine is 11.8. When the chloride salt of methylamine is added to this solution…

A:

Q: A dilute (~0.1 M) buffer solution contains imidazolium ion/imidazole (see below) and has a pH of…

A:

Q: Formic acid, HFor, has a Ka value of 1.8x10-4. You need to prepare a buffer having a pH of 3.25 from…

A: The pH of the solution can be defined as the measure of the molar concentration of the hydrogen ions…

Q: A student needs to prepare a buffer solution with a pH of 6.00. Assuming a pKą of 4.86, how many mL…

A: pH = 6.00    ; pka = 4.86  Concentration of B- = 0.1 M  Concentration of HB = 0.1 M  Volume of HB =…

Q: A student needs to prepare a buffer solution with a pH of 4.60. Assuming a pK a of 4.12, how many mL…

A: A solution which resists change in pH when a small amount of acid or base is added to it is known as…

Q: Calculate the pH of the following buffer solutions: (a) a solution made by dissolving 2.733 g…

A: a) Given: Mass of KH2PO4 = 2.733 g. Mass of K2HPO4 = 4.508 g. And pKa of H2PO4- = 7.2

Q: A chemist needs a buffer with pH 4.34. How many milliliters of pure acetic acid (density = 1.049…

A: Given: pH of buffer solution = 4.34  Density of acetic acid = 1.049 g/mL. Concentration of NaOH =…

Q: Formic acid, HFor, has a K, value of 1.8 x 10-4. You need to prepare 125 mL of a buffer hav- ing a…

A:

Q: A student needs to prepare a buffer solution with a pH of 4.18. Assuming a pKa of 4.69, how many mL…

A:

Q: A buffer solution consisting of 0.15 moles of ammonia dissolved in half a liter of water. How much…

A: Calculation of mass of ammonium chloride: A basic buffer solution is made if we mix ammonia and its…

Acid Base Titration

An acid-base titration is the method of quantitative analysis for determining the concentration of an acid and base by exactly neutralizing it with a standard solution of base or acid having known concentration.