Find the pH of the buffer containing 0.005 M acetic acid and 0.00045 M sodium acetate without neglecting it. (Ka: 1.75×10-5)

Q: 40. If you add 8.0 mL of 0.10 M HCl to 25 mL lactic acid/lactate buffer that is 0.10 M lactic acid…

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Q: Consider a 25.0 mL buffer solution containing 0.100 M sodium alderate and 0.126 M alderic acid. What…

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Q: How many mL of 0.10 M NaOH should a student add to 25.0 mL of 0.10 M HFor to prepare a buffer with a…

A: Given that, 25.0 mL of 0.10 M HF. The Ka of HF is 1.8×10-4. Also, the ratio of [F-]/[HF] = 1.2. The…

Q: Assuming the Ka is 2.37 x 10-5 for acetic acid, calculate the pH at the half equivalence point for a…

A: Acetic acid is a weak acid while NaOH is a strong base. So the titration of acidic acid with NaOH is…

Q: Suppose you have 100 mL of a buffer containing 0.100 M acetic acid and 0.0500 M sodium acetate.…

A: pH is the negative logarithm of the hydrogen ion concentration. It is a measure of acidity or…

Q: Consider a 1.0 L buffer containing 0.086 mol L- CH3COOH and 0.082 mol L-1 CH3COO™. What is the pH of…

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Q: Suppose you have 150 mL of a buffer containing 0.100 M acetic acid and 0.0500 M sodium acetate.…

A: Given,  Volume of the buffer = 150 mL  Molarity of CH3COOH = 0.100 M Molarity of CH3COONa = 0.0500 M…

Q: Butanoic acid is a monoprotic acid with Ka = 1.51*10-5. A 35.00 mL sample of 0.500M butanoic acid is…

A: We have given that butanoic acid with Ka = 1.51× 10-5 and V1 = 35 ml with concentration c = 0.5 M as…

Q: 2. How many grams of sodium acetate is needed to add to a 0.2M acetic acid to prepare a buffer of…

A: Concentration of acetic acid = 0.2M pH of buffer solution to be prepared = 5

Q: Calculate the pH to 2 decimal places of a buffer containing 0.0363 mol/L methanoic acid and 0.0256…

A: Given :- [HCOOH] = 0.0363 mol/L                [HCOONa] = 0.0256 mol/L                pKa = 3.7 To…

Q: How do you prepare a 0.5L of 0.3M acetate buffer solution with a pH of 3.6? You are given acetic…

A: Here we have to prepare 0.5 L of 0.3M acetate buffer of pH =3.6 . Given material are acetic acid…

Q: A chemist needs a pH 3.5 buffer. Should she use NaOH with formic acid (Kₐ=1.8X10⁻⁴) or with…

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Q: 2 What is the pH at which a buffer composed of CO32- and HCO3- would be most effective at resisting…

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Q: Consider a 25.0 mL buffer solution containing 0.100 M sodium alderate and 0.126 M alderic acid.…

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Q: Calculate the pH at the equivalence point of 25.0 mL solution of ascorbic acid, titrated with 45.3…

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Q: If you add 5.0 mL of 0.20 M HCI to 25 mL lactic acid/lactate buffer that is 0.10 M lactic acid and…

A: The pH of a buffer solution is determined by Henderson equation…

Q: If KaKa is 1.85×10-5 for acetic acid, calculate the pH at one half the equivalence point for a…

A: The balanced equation for the given reaction is,

Q: What is the pH at the second equivalence point in the titration of 541 mL of 0.501M carbonic acid…

A: At second equivalence point, H2CO3 reacts completely with NaOH to form Na2CO3 and the net reaction…

Q: 3. Formic acid is a weak acid with Ka = 1.7 x 10-4. How would you make 50 ml of a pH 4.00 buffer…

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Q: How many grams of Na2CO3 must you add to 1.5 L of freshly prepared 0.2 M NaHCO3 to make the buffer…

A: Given,  Volume of the buffer in L = 1.5 L  Molarity of NaHCO3 or HCO3- = 0.2 M  pH of the buffer =…

Q: The 100. mL of buffer solution contains 0.08 M benzonic acid and 0.06 M sodium benzoate. What is the…

A: here we are required to find the pH of buffer

Q: Calculate the pH of an acetic acid/acetate buffer after the addition of 21.60 mL of a .200 M NaOH to…

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Q: Consider the titration of 50.00mL of 0.100M CH3CO2H with 0.100M NaOH. Acetic acid has Ka = 1.8x10-5…

A: The volume of NaOH needs to be added to the given solution to make the pH=7 can be calculated by the…

Q: What is the pH value of a buffer prepared by adding 10 mL of 0.1 M acetic acid to 20 mL of 0.1 M…

A: Given: Volume of acetic acid=10mL Molarity of acetic acid=0.1M Volume of sodium acetate=20mL…

Q: You have a 258.3 mL sample of 1.659 M HA (Ka = 5.97⋅10−75.97⋅10-7).  Calculate the pH of the best…

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Q: Which is the buffer region in the titration curve below? A 7 D mL of titrant Hd

A: A buffer is the solution of a weak acid and its conjugate base that resists any change in the pH…

Q: A student titrates an unknown weak acid, HA, to a pale pink phenolphthalein end point with 25.0 mL…

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Q: You need to prepare 100.0 mL of a pli 4.00 buffer solution using (0.100 M henzoic acid (pk, = 4.20)…

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Q: 3. Formic acid is a weak acid with Ka = 1.7 x 10-4, How would you make 50 mL of a pH 4.00 buffer…

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Q: Find the pH of the buffer containing 0.0005 M acetic acid and 0.00045 M sodium acetate without…

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Q: 5) You need to make 250.0 mL of a buffer with a pH of 4.10, in the chemical storage room you found…

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Q: A solution made by mixing 105.00 mL of 1.050 M CH3COOH with 35.00 mL of 0.750 M NaOH. For…

A: A buffer resists a considerable change in pH when a small amount of acid or base is added to it. The…

Q: Describe how you would prepare a 100.0 mL buffer solution with a pH of 4.24 and an acetic acid…

A: Given data : For preparing  100 mL buffer solution with a pH =4.24 An acetic acid concentration =…

Q: How many mL of 1.0 M NaOH must be added to 100. mL of 0.050 M HC2H3O2 to make a buffer with a pH =…

A: We have given that pH = 5.0 Ka = 1.8×10-5 Pka = -log(1.8×10-5) = 4.74 Concentration of Acetic Acid =…

Q: 1 M acetic acid 1 M sodium acetate Buffer 1: 80 mL 20 mL Buffer 2: 50 mL 50 mL Buffer 3: 20 mL 80 mL…

A: We have to rank the pH from low to High for the following given buffer as follows in step 2;

Q: How many grams of solid potassiumfluoride should be added to 2.00 L of a 0.236 M hydrofluoric acid…

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Q: Propanoic acid has a Ka=1.3x10-5. The titration starts with 40.00 mL of 0.1000 M propanoic acid…

A: The question is based on the concept of titrations.   we are titrating  a weak propanoic acid with a…

Q: [A | [HA] 5. What ratio HA will create an acetic acid buffer of pH 5.0? Ka acetic acid is 1.75 x…

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Q: Chemistry 2. The pks of tye amino acid Arg are 1.82, 8.99, and 12.48. If Arg was used as a buffer,…

A: We have find out the ratio of conjugate base to weak acid in a pH of 7.00 Arg buffer.

Q: 2. If Ka is 1.75 x10-5 for acetic acid, calculate the pH at one-half the equivalence point for a…

A: Ka = 1.75 x 10-5  pKa = -Log [Ka] pKa = -Log [ 1.75 x 10-5]  = 4.756

Q: 1. A buffer is prepared containing 1.00 molar Acetic Acid and 1.00 molar Sodium Acetate. What is its…

A: A buffer solution is made by the mixture of a weak acid with its conjugate base or by the mixture of…

Q: What is the effective pH range for a sodium acetate/acetic acid buffer? Ka = 1.80 x 10-5. %3D Enter…

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Q: 4. A 100.0-mL solution consisting of 0.14 M NaC2H30z and 0.16 M HC2H302 was titrated with 24 mL of…

A: 4. Millimoles of KOH = M x V = 0.25 x 24 = 6 mmol Millimoles of HC2H3O2 = M x V = 0.16 x 100 = 16…

Q: 47 mL of 0.100 M HCl was added to a buffer consisting of 0.025 moles of sodium acetate and 0.030…

A: Moles of HCl are obtained from Molarity and volume. Moles = Molarity ×Volume =0.1 M ×47 mL=0.1 M…

Q: calculate the ph of a buffer that contain the initial 1,00x10 ^-3 acetic acid and 1,00x10^-4 sodium…

A: Initial concentration of acetic acid and acetate is given.

Q: A certain weak acid, HA, with a Ka value of 5.61 x 10-6 is titrated with NaOH.

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Q: 8. What is the pH of a buffer solution made with 0.53M benzoic acid with Ka = 6.5 x 105 and 0.478M…

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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.