If 8.5 g of solid NaC2H3O2 are dissolved in 100.0 mL of water, how many mL of 1.0 M HCl would need to be added to prepare a buffer solution that has pH of 4.60? (a) 40.0 mL (b) 48.0 mL (c) 60.0 mL (d) 75.0 mL

Q: A chemist takes 8.579 mL of liquid acetic acid, CH,COOH (molar mass: 60.052 g/mol) with 1.05 g/mL…

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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: The pH of a solution made by mixing 50.0 mL of 0.13 molar B, a weak base, with 20.0 mL of 0.19 M HCl…

A: The pOH of a solution by mixing weak base and HCl is calculated as,

Q: Addition of phenolphthalein to an unknown colorlesssolution does not cause a color change. The…

A: a) Given :Addition of phenolphthalein: No color change               addition of bromthymol blue:…

Q: Select the statement below that is correct regarding the behavior of strong acids. O A strong acid…

A: Given statements are : a). A strong acid and its sodium salt can be used to form a buffer solution.…

Q: What volume of 2.00 M NAOH must be added to 150.0 mL of 1.20 M glycolic acid to produce a buffer…

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Q: Without detailed calculation and RICE table, determine whether the following solutions are acidic or…

A: The balanced reaction is – H3PO4 + 3NaOH ⇔Na3PO4 + 3H2O

Q: A students mistakenly titrates 25.0 mL of a 0.20 M H2SO4 solution, with 62.0 mL of a 0.15 M NaOH…

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Q: In a 1.18 M  aqueous solution of a monoprotic acid, 3.81% of the acid is ionized. What is the value…

A: Acid dissociation constant ka is given by equilibrium concentration of product divided by…

Q: A chemist takes 8.579 mL of liquid acetic acid, CH;COOH (molar mass: 60.052 g/mol) with 1.05 g/ml…

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Q: prepare an have 930 mL of the acetic acid solution, how many milliliters of the KOH solution do you…

A: A buffer solution is the solution that is made by mixing a weak acid with the salt of that acid.…

Q: ume, where the addition of a esults in a large jump in pH. of the acid solution. added pH. 5.05 5.22…

A: Given,  Molarity of NaOH = 0.1025 M Volume of Acidic solution = 25.00 mL There is sudden jump at…

Q: An aqueous solution of 0.1 M hydrochloric acid with a volume of 200 milliliters is mixed with 100 mL…

A: Moles of HCl taken = molarity of HCl X volume of HCl solution taken in L Since molarity of HCl = 0.1…

Q: The equation Hin = H'+ In means? اختر احدى الدجابات A. The medium is acidic or basic B. Which form…

A: The question is based on the concept of chemical equilibrium. we have been given dissociation…

Q: How many ml of NaOH stock solution have been added to establish the buffer?

A: To prepare the desired buffer solution, at first, an acetic acid solution was taken and NaOH was…

Q: |What is the concentration(M) of nitric acid if it takes 18.56ml of 0.1500M strontium hydroxide to…

A: Given: Molarity of Sr(OH)2  is 0.1500 M Volume of Sr(OH)2 is 18.56 mL Volume of acid is 15.00 mL To…

Q: If a buffer solution is 0.560 M in a weak acid (Ka=5.3×10−6) and 0.120 M in its conjugate base, what…

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Q: If a buffer solution is 0.200M in a weak acid (?a=9.0×10−5)and 0.550M in its conjugate base, what is…

A: Ka = 9.0 x 10-5  pKa = -log Ka = - log ( 9.0 x 10-5)  pKa = 4.046 [Acid] = 0.200 M  [Conjugate base]…

Q: In what mass ratio should you mix C5H5N(s) and C5H5NHCI(s) to produce a 120 mL buffer solution with…

A: The volume of the buffer  = 120 mL pH of the buffer solution   = 5.44 Molar mass of C5H5NHCl  =…

Q: 2. If 5.0 mL of 0.010 M NaOH is added to 100 mL of the buffer in Problem 1, how much will the pH…

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Q: How many grams of solid ammonium chloride should be added to 0.500 Lof a 0.239 M ammonia solution to…

A: The given information is: Volume of the solution = 0.5 L Concentration of the solution = 0.239 M pH…

Q: The pH of a solution that contains 1.2M acetic acid and 0.920M sodium acetate is?

A: pH of weak acid = 4.63.

Q: (0.1mol) of NaoH was added to 1L of a solution containing a weak acid and its base salt had the same…

A: Answer: Solution weak acid and its basic salt is a buffer solution whose pH is calculated by…

Q: Assume 125.0 mL of the solution prepared above was put into a beaker and 82 mg of NaOH was added to…

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Q: Aspirin (acetylsalicylic acid, C9H8O4) is absorbed from the stomach in the free (un-ionozed) acid…

A: Handerson Hasselbalch equation –  Buffer solution is mixture of weak acid and its conjugate base.…

Q: A solution is made by mixing 50.0 mL of a stock solution of 2.0 M K2HPO4 and 25.0 mL of a stock…

A: Buffer solutions: are defined as the aqueous solution which contains the mixture of the weak acid…

Q: Which of the following statement is incorrect regarding buffer solutions: O Buffer solutions are…

A: Buffer solution is the solution which resist the change in pH when small amount of acid or base is…

Q: Addition of phenolphthalein to an unknown colorless solution does not cause a color change. The…

A: Phenolphthalein and bromothymol blue are pH indicator. They ae widely used in titrations and testing…

Q: The pOH of an acidic buffer is 9.725. What is the Ka of the acid if the ratio of [ionized] to…

A: pOH = 9.725  Ratio  = 1380

Q: Quinine (C20H24O2N2) is a water-soluble base that ionizes in two stages, with Kb1 5 3.31 × 10-6 and…

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Q: If a buffer solution is 0.280 M in a weak acid (?a=1.6×10−5) and 0.510 M in its conjugate base, what…

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Q: Which of the following aqueous solutions, when mixed with an equal volum 0.10 M NH3(aq), will…

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

Q: 4. A solution was prepared by dissolving 0.541 g of benzoic acid (HC,HSCOO) in 100 mL of water. The…

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Q: If titrating 25.00 mL of 0.115 M HCl with 0.0955 M NaOH, what is the pH of the solution after 10.48…

A: Given:Volume of HCl = 25.00 mLMolarity of HCl = 0.115 MMolarity of NaOH = 0.0955 MVolume of NaOH…

Q: Without detailed calculation and RICE table, determine whether the following solutions are acidic or…

A: ( a) Acidic, not buffer  b) Basic,  Basic  buffer c) Acidic, not buffer d) Acidic , not buffer

Q: Part A What is the pH of a buffer solution prepared by mixing 20.0 mL of 0.0000 mol L NaOH with 20.0…

A: Volume of NaOH solution used in buffer solution = 20 mL Volume of caodylic acid used to prepare…

Q: . What is the pH of the solution when 25 mL of 0.1 M HCl is titrated with 28 mL of 0.09M NaOH, pH =

A: pH can be calculated as follows

Q: A chemist takes 8.579 mL of liquid acetic acid, CH₃COOH (molar mass: 60.052 g/mol) with 1.05 g/mL…

A:

Q: Acetaminophen, HC8H8NO2 (MM = 151.17 g/mol), is the active ingredient in Tylenol®, a common pain…

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Q: Consider a solution initially containing 0.40 mol fluoride anion (F) and 0.30 mol of hydrogen…

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Q: Which of these conjugate acid–base pairs will not function as a buffer:C2H5COOH and C2H5COO-, HCO3-…

A: When an acid donates a proton then it changes into base and when base accept a proton it forms an…

Q: When 25 mL of 0.30 M ammonium iodide and 25 mL of 0.15 M barium hydroxide are combined, the pH of…

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Q: A scientist wants to prepare 500 ml of 500 mM formate buffer pH 3.00. The pka for formic acid,…

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Q: When 35 mL of 0.20 M acetic acid and 35 mL of 0.10 M calcium hydroxide are combined, the pH of the…

A: Given : Concentration of acetic acid i.e CH3COOH = 0.20 M Concentration of calcium hydroxide i.e…

Q: The pH of a solution prepared by mixing 50.0 mL of 0.125 M NaOH and 30.0 mL of 0.125 M HNO3 is…

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Q: 100 mL of 0.10 M HC1 is titrated with a solution of 0.10 M NAOH. After 20 mL of the NAOH solution,…

A: When acid and base react together and form salt and water this reaction is called a neutralization…

Q: Addition of the indicator methyl orange to an unknownsolution leads to a yellow color. The addition…

A: a) Given: Addition of phenolphthalein: No color change  Addition of bromthymol blue: Yellow color…

Q: What is the pH of an aqueous solution containing 75.0 mL of a 0.15 M HNO2 solution and 45.0 mL of a…

A: The pH of buffer solution is determine by Henderson equation.   pH = pKa + log [base]  [acid]…

Q: A chemist takes 8.579 mL of liquid acetic acid, CH₃COOH (molar mass: 60.052 g/mol) with 1.05 g/mL…

A: Volume of acetic acid = 8.579mL = 8.579*10-3L Acetic acid Molar mass  = 60.052g/mol Density =…

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.