2.50 g of sodium acetate, CH3COONa was dissolved in 150.0 mL of water, H2O. A solution of 0.025 M ethanoic acid, CH3COOH was added into the above salt solution. Calculate the pH of the mixed solution. [pKa of CH3COOH = 4.75, Molar mass of CH3COONa = 82.0 g mol-1 ]

2.50 g of sodium acetate, CH3COONa was dissolved in 150.0 mL of water, H2O. A solution of 0.025 M ethanoic acid, CH3COOH was added into the above salt solution. Calculate the pH of the mixed solution. [pKa of CH3COOH = 4.75, Molar mass of CH3COONa = 82.0 g mol-1 ]

Chemistry: Principles and Practice

3rd Edition

ISBN:9780534420123

Author:Daniel L. Reger, Scott R. Goode, David W. Ball, Edward Mercer

Publisher:Daniel L. Reger, Scott R. Goode, David W. Ball, Edward Mercer

Chapter16: Reactions Between Acids And Bases

Section: Chapter Questions

Problem 16.102QE

See similar textbooks

Related questions

Q: Carbonic acid (H2CO3) is a weak diprotic acid with a first ionization constant, Ka1 = 4.2 x 10–7.…

A: H2CO3 → H+ + HCO3- It is given that,Ka1 = 4.2x10-7 pKa = -log10 Ka[H2CO3] = [HCO3–] = 0.100 M…

Q: If a buffer solution is made by mixing 17.9 mL 0.28 M sodium acetate, NaCH3COO with 47.8 mL 0.17 M…

Q: A buffer solution contains 0.753 M KClO2 (Ka = 1.1 x 10-2) and 0.659 M HClO2. If 0.244 moles of NaOH…

Q: Suppose that a student is determining the total base content of an antacid tablet by performing a…

A: Given: Mass of tablet = 1.5312 g Mass of tablet dissolved = 0.3012 g Concentration of…

Q: A 1.35 L buffer solution consists of 0.175 M butanoic acid and 0.336 M sodium butanoate. Calculate…

Q: Consider exactly one litre of a benzoic acid buffer solution, containing 0.800 M C&H5COOH and 0.600…

A: Given: Concentration of C6H5COOH = 0.800 M Volume of buffer solution = 1 L And concentration of…

Q: the pH of the buffer system

A: Given that molarity of benzoic acid, and sodium benzoate. And asked pH of buffer solution.

Q: A buffer solution is prepared with 0.48 M of the weak base B and 0.23 M of the chloride salt HBCl.…

Q: A solution is prepared by dissolving 0.23 mol of lactic acid and 0.27 mol of sodium lactate in water…

A: The hydrochloric acid reacts with lactate ion present in the buffer solution to form lactic acid…

Q: Define equivalence point, and describe the steps involved in determining it for weak acid-strong…

A: It is the point at which the amount of base added has completely neutralized the acid solution.At…

Q: A buffer solution is prepared with 0.48 M of the weak base B and 0.23 M of the chloride salt HBCl.…

Q: A 20.00 mL aliquot of lactic acid solution (HCH3H5O3) was titrated with 0.0980 M KOH(aq) using both…

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

Q: 2.00 L of a buffer is prepared by combining 1000.0 mL of 0.500 M nitrous acid (HNO2 Ka = 7.1 x 10-4)…

Q: A mixture of ascorbic acid (CH706H, K2 = 6.8 X 105) and sodium ascorbate is prepared such that…

Q: 2.60 g of sodium acetate, CH3COONa was dissolved in 150.0 mL of water, H2O. A solution of 0.025 M…

Q: You are working in a lab and someone has just handed you a beaker filled with 110 ml of a mysterious…

A: pH of a buffer is calculated using Hasselbach Henderson equation: pH =pKa+log([Conjugate…

Q: What mass (in g) of sodium formate, HCOONa, must be added to 10.0 L of a 0.483 M aqueous solution of…

A: Here, we have to find the mass of sodium formate that must be added to 10.0 L of a 0.483 M aqueous…

Q: buffer solution is prepared by dissolving 1.50 g each of benzoic acid, HC7H5O2, and sodium benzoate,…

A: First to calculate moles of each. Then using formula to calculate pH.

Q: Calculate the pH of a buffer formed by mixing 85.0 mL of 0.130 M lactic acid, HC3H5O3, with 95.0 mL…

Q: Calculate the pH of the solution that results from the addition of 0.040 moles of HNO3 to a buffer…

A: The Henderson Hasselbalch equation for acidic buffer is given as :

Q: At what point in the titration of a weak base with a strong acid is the maximum buffer capacity…

Q: A 5.65 −g sample of a weak acid with Ka=1.3×10−4 was combined with 4.90 mL of 6.20 M NaOH and the…

A: Given:Mass of weak acid (HA) = 5.65 gVolume of NaOH = 4.90 mL 0.0049 LMolarity of NaOH = 6.20…

Q: (a) Sodium acetate, CH3COONA was hydrolysed in water, H2O. Show the reaction equations involved.…

Q: C,HSCOOH (s) E→ CH&COO (aq) + H (aq) K, = 6.46 x 10 1. Benzoic acid, CoH,COOH, dissociates in water…

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

Q: Determine the volumes of 0.350 M Na2CO3 (aq) and 0.225M NaHCO3 (aq) that would be needed to prepare…

Q: 1- A sample weighing 1 g contains acetic acid (FW = 60 g/mol). The content of acetic acid in the…

A: Hello. There are multiple questions posted together. The first question has been solved. To receive…

Q: A student set up a titration apparatus that involved using 25.9 mL of 1.57 M acetic acid. The acetic…

A: Given : volume of acetic acid = 25.9 ml Molarity of acetic acid = 1.57 M Molarity of NaOH =0.154 M…

Q: If you are to prepare a buffer solution with a pH of 11.00, which weak acid-conjugate base pair from…

A: Given the Ka values, we can calculate the corresponding pKa values.

Q: 2.80 g of sodium acetate, CH3COONa was dissolved in 150.0 mL of water, H2O. A solution of 0.025 M…

A: The pH of the mixed solution can be calculated by Handerson-Hasselbach equation. pH = pKa + log…

Q: What is the effective pH range of a buffer (relative to the pKa of the weak acid component)?

A: The effective pH range of a buffer in relation to pKa of the weak acid component should not differ…

Q: 100.0 mL 0.15 M aqueous HF (K₁ = 6.8 x 104) is mixed with 125.0 mL 0.23 M NaF. What is the pH of the…

Q: x 10° if 21.65mL of the sat. calcium hydroxide solution was titrated with 14.82mL of The…

A: Given: Concentration of HCl = 0.041 M Volume of HCl required to titrate the saturate calcium…

Q: A buffer is made by adding 0.18 mol/L of sodium propanoate (NaPr) to 0.12 mol/L solution of…

A: a) Since the acid HPr is a weak acid hence its salt i.e NaPr will undergo hydrolysis as per the…

Q: 20.00 mL of 0.250 M propanoic acid, C3H7COOH, is titrated with 0.125 M NaOH. Calculate the pH for…

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

Q: suitable

A: Buffer solution worked at pH = pKa-1 to pKa +1 Here pH = 7.0 then range should be 6 to 8 at this…

Q: if the change in pH after addition of 1.0mL of 0.10N HCI is 0.09, what is the total buffer capacity…

A: Given-> Volume of HCl = 1.0 ml Normality = 0.10 N Change in pH = 0.09 Volume of solution = 20 ml…

Q: Consider the titration of 100 mL of 0.25 M formic acid (HCOOH) with 1.0 M NaOH. The Ka of formic…

A: Given, Volume of HCOOH = 100 mL = 0.1 L (1 mL = 0.001 L) Molarity of HCOOH = 0.25 M = 0.25 mol/L…

Q: A 250-mL buffer solution contains 0.0510 mole of KH2PO4 and 0.0875 mole of K2HPO4. (a) Calculate…

Q: A 1.00 L volume of buffer is made with concentrations of 0.350 M sodium formate (NaHCOO) and 0.550 M…

A: Given, A 1.00 L volume of buffer is made with concentrations of 0.350 M sodium formate (NaHCOO) and…

Q: Consider the titration of a 60.0 mL of 0.295 M weak acid HA (Ka = 4.2 x 10⁻⁶) with 0.400 M KOH.…

A: Answer:- This question is answered by using the simple concept of reaction of weak and strong base…

Q: Consider an 50.0 mL analyte solution containing 0.50 g of KHP, titrated against 0.10 M sodium…

A: Answer: This question is based on acid-base titration where acid is the analyte and base is the…

Q: A buffer solution is prepared by dissolving 1.000 g of sodium acetate (CH3COONa) into 100.00 mL of a…

A: Given : Mass of CH3COONa = 1.000 g Volume of acetic acid solution = 100.00 mL = 0.100 L…

Q: 2. A buffer solution is prepared by dissolving 4.7 g of nitrous acid, HNO2 , and 13.8 g of sodium…

A: The solution is as follows:

Q: At each stage of the titration: A. Determine the amount (mol) of weak acid, weak base, and strong…

A: To determine the pH d) At equivalence point e) After adding 56.0 mL HI

Q: Acid Ka HF 6.7 x 10^-4 HC2H3O2 1.8 x 10^-5 A student…

A: At equivalence point, the number of moles of acetic acid will be equal to that of NaOH and whole…

Q: Determine the pH at the point in the titration of 40.0 mL of 0.200 M HC4H,O2 with 0.100 M Sr(OH)2…

A: Acid-base titration is an analytical technique utilized to determine the unknown concentration of an…

Q: Explain the qualitative analysis of group 2 cations

A: Dilute HCl is added to the mixture containing cations. If it dissolves completely, group 1 is…

Concept explainers

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.

Question

[pKa of CH3COOH = 4.75, Molar mass of CH3COONa = 82.0 g mol-1 ]

Expert Solution

This question has been solved!

Explore an expertly crafted, step-by-step solution for a thorough understanding of key concepts.

SEE SOLUTION Check out a sample Q&A here

Step 1

Step 2

Step 3

Step 4

Step by step

Solved in 4 steps

SEE SOLUTION Check out a sample Q&A here

Knowledge Booster

Learn more about

Need a deep-dive on the concept behind this application? Look no further. Learn more about this topic, chemistry and related others by exploring similar questions and additional content below.

Similar questions

You prepared 500 mL buffer solution that contains 0.50 moles monoprotic weak acid (HA) and 0.30 moles conjugate base (NaA). The solution has a pH of 4.20. (a) What is the Kp of the conjugate base, NaA? (b) What is the pH of the buffer solution after adding 400 mL of 0.30 M H,SO4? pH = pKa – log(THA), [A*]
2.80 g of sodium acetate, CH3COONa was dissolved in 150.0 mL of water, H2O. A solution of 0.025 M ethanoic acid, CH3COOH was added into the above salt solution. Calculate the pH of the mixed solution. Pka=CH3COOH = 4.10, Molar mass of CH3COONa = 82.0 g mol-1
2.50 g of sodium acetate, CH3COONa was dissolved in 150.0 mL of water, H2O. A solution of 0.025 M ethanoic acid, CH3COOH was added into the above salt solution. Calculate the pH of the mixed solution.
2.60 g of sodium acetate, CH3COONa was dissolved in 150.0 mL ofwater, H2O. A solution of 0.025 M ethanoic acid, CH3COOH was addedinto the above salt solution. Calculate the pH of the mixed solution.
33. Consider a buffer solution that contains 0.45 M HCOOH and 0.55 M NaHCOO. Note that the Ka for formic acid (HCOOH) is 1.8 x 104. (a) Calculate the pH of this buffer solution. pH = (b) Write the net ionic chemical equation that occurs when potassium hydroxide (KOH) (MW of KOH = 56.1 g/mol) is added to the buffer. (c) If 0.260 g of solid KOH is added to 250. mL of this buffer solution, what is the resulting pH of the solution? New pH =
A solution is formed by adding 3.20 grams of solid sodium hypochlorite, NaClO, to 500.0 ml of 0.0750M calcium hypochlorite, Ca(ClO)₂. Calculate the pH of the resulting solution. You may assume that the sodium hypochlorite dissolve completely and that the change in volume is negligible with the addition of the solid.
A buffer is made by mixing 40.00 mL of a 0.100 M solution of the fictitious acid HA (pKa = 5.09) with 20.00 mL of 0.100 M NaOH. This buffer is then divided into 4 equal 15.00 mL parts. If 0.23 mL of a 10 M solution of sodium hydroxide is added to one of these 15.00 mL portions of the buffer, what is the pH of the resulting solution?
A buffer is made by mixing 40.00 mL of a 0.100 M solution of the fictitious acid HA (pKa = 5.11) with 20.00 mL of 0.100 M NaOH. This buffer is then divided into 4 equal 15.00 mL parts. If 0.21 mL of a 10 M solution of hydrochloric acid is added to one of these 15.00 mL portions of the buffer, what is the pH of the resulting solution?
31. (a) Calculate the pH of a mixture containing 0.1 M propanoic acid (CH3CH₂COOH) and 0.050 M sodium propanoate (CH3CH₂COONa) (b) Determine the change in pH that occurs when 0.15 mol solid NaOH is added to 1.00 litre of the buffered solution. 32. (a) Calculate the pH of a buffer solution produced by adding 3.28 g of sodium ethanoate to 1 dm3 of 0.01 M of ethanoic acid (Ka = 1.84x 10-5 at 300K) (b) calculate the pH of this buffer if 10 cm3 of 0.1 M HCl are now added
A solution is formed by adding 6.00 grams of solid potassium acetate, KC₂H₃O₂, to 200.0 ml of 0.0240M calcium acetate, Ca(C₂H₃O₂)₂. Calculate the pH of the resulting solution. You may assume that the potassium acetate dissolve completely and that the change in volume is negligible with the addition of the solid.
An analytical chemist is titrating 117.3 mL of a 0.2700 M solution of butanoic acid (HC,H,Co,) with a 1.200 M solution of KOH. The p K, of butanoic acid is 4.82. Calculate the pH of the acid solution after the chemist has added 14.63 mL of the KOH solution to it. Note for advanced students: you may assume the final volume equals the initial volume of the solution plus the volume of KOH solution added. Round your answer to 2 decimal places. pH = Explanation Check
3. A formic acid buffer is prepared with 0.010 M each of formic acid (HCOOH) and sodium formate (NaCOOH). The Ka for formic acid is 1.8 x 104. What is the pH of the solution? What is the pH if 0.0020 M of solid sodium hydroxide (NaOH) is added to a liter of buffer? What would be the pH of the sodium hydroxide solution without the buffer? What would the pH have been after adding sodium hydroxide if the buffer concentrations had been 0.10 M instead of 0.010 M? eit af