Acetic acid has a pK₂ of 4.8. How many milliliters of 0.2 M acetic acid and 0.1 M sodium acetate a required to prepare 1 liter of 0.1 M buffer solution having a pH of 4.8? 250 ml acetic acid and 250 ml sodium acetate, then 500 ml water 250 ml acetic acid and 500 ml sodium acetate, then 250 ml water 500 ml acetic acid and 500 ml sodium acetate 500 ml acetic acid and 250 ml sodium acetate, then 250 ml water

Q: Calculate the pH of a buffer solution that contains 0.34M benzoic acid and 0.49 M potassium…

A: Using Henderson equation , we can solve this problem. Here benzoic acid is weak acid and potassium…

Q: How many mL of 0.200 M NaOH or 0.200 M HCl must be added to a 100.0 mL buffer solution containing…

A: Molarity of NaOH = 0.200 MMolarity of HCl = 0.200 MTotal volume of buffer solution = 100.0…

Q: When a 28.1 mL sample of a 0.423 M aqueous hydrocyanic acid solution is titrated with a 0.462 M…

A:

Q: A student needs to prepare a buffer solution with a pH of 5.73. Assuming a pKa of 4.06, how many mL…

A: Given,Molarity of NaOH = 0.1 MMolarity of acid ( HB ) = 0.1 Mvolume of HB = 15.0 mLpH of the buffer…

Q: Calculate the pH of a buffer prepared by adding 0.44 moles of acetic acid and 0.25 moles of acetate…

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Q: A student needs to prepare a buffer solution with a pH of 5.59. Assuming a pKa of 4.99, how many mL…

A: Answer:Buffer solution is a type of solution that resists the change in its pH on adding small…

Q: Phosphoric acid is a triprotic acid with the p?apKa values p?a1=2.148,  p?a2=7.198, and…

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Q: A buffer consists of 0.150 M acid, HA, and 0.200 M of its conjugate base, A. If HA has a K, of 4.84…

A:

Q: What is the pH of a buffer that is 0.153 M in a weak acid and 0.227 M in the acid's conjugate base?…

A: Weak Acid concentration = 0.153 M. Conjugate base Concentration = 0.227 M. Ka = 5.7 × 10-4 pKa = -…

Q: True or False?   When choosing an acid to make a buffer, you should choose one whose pKa is closest…

A: When an acidic buffer is prepared , that buffer is best in which choosen acid has the pKa value…

Q: If 24.8 mL of 0.107 M acid with a pKa of 5.76 is titrated with 0.102 M NaOH solution, what is the pH…

A: pH = pKa + log [salt]/[acid] Number of moles = molarity x volume (L)

Q: What is the pH of a system with 0.42 M formic acid and 0.42 M sodium formate?

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Q: Hrises more than if the same amount of NaOH is added to an acer Hremains constant. atio of acetic…

A: If NaOH is added in the buffer, then it is reacts with acid.  CH3COOH + OH- -----> CH3COO- + H2O…

Q: Calculate the change in pH after adding 0.25 mol of hydrochloric acid to a liter of a buffer…

A: As per the guidelines, I am solving the first question for you. Kindly repost the second question.…

Q: A general chemistry student measured the pH of a 0.12 M aqueous solution of an unknown weak acid HA…

A: The question is based on the concept of equilibrium. we have to calculate PKa of a weak acid whose…

Q: ou need to produce a buffer solution that has a pH of 5.24. You already have a solution that…

A:

Q: Carbonate buffers are important in regulating the pH of blood at 7.40. If the carbonic acid…

A: Answer:Buffer solution is a type of solution that resists the change in its pH on adding small…

Q: The acid HD has a pKa of 4.64.  What volume, in mL, of a 0.100 M solution of sodium hydroxide needs…

A: A buffer is a solution which resists any change in pH on adding a small amount of acid or base.It is…

Q: Lactate is an important component in some intravenous solutions. Given pKa = 3.86 for lactic acid,…

A: pH = pKa  +  log ( [ conjugate base ]/[weak acid] ) ---------(i) pKa = 3.86 ( given) HC3H5O3…

Q: How many grams of sodium acetate, NaC2H302, would have to be added to 1.0 L of 0.85 M acetic acid…

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Q: You are asked to make a buffer to a pH of 4.00 and you have the following acids to do it with (pKa…

A: Given , The pH of buffer = 4.00

Q: If a buffer solution contains 1.6 M acetic acid and 2.3 M sodium acetate, what is the pH of the…

A: Given  ka (Ionisation constant)                 = 1.8 × 10-5 Concentration of CH3COOH         = 1.6…

Q: The pH of a bicarbonate-carbonic acid buffer is 6.18. Calculate the ratio of the concentration of…

A: The ratio of [H2CO3] to that of [HCO3-] is determined by using Henderson-Hasselbalch equation.

Q: What is the pH of a solution that results from mixing together equal volumes of a 0.120 M  solution…

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Q: Consider a beaker containing 50 mL of 0.20 M of a weak acid (HA) with a pKa of 5.25.    How many…

A: Henderson equation is pH = pKa + log [salt][acid] when NaOH is added to weak acid then they react to…

Q: the titration of 100.0 mL of 0.050 M CH3COOH (pKa = 4.74) solution, what will be the pH after adding…

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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…

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.