Calculate the weight in grams of the corresponding sodium salt that must be added to 100 ml of the indicated acid solution to obtain the buffer solution at pH 2.68. Molecular Weight of the salt 46.03g/mol Formic acid 0.25M Ka = 1.7x 10-4

Calculate the weight in grams of the corresponding sodium salt that must be added to 100 ml of the indicated acid solution to obtain the buffer solution at pH 2.68. Molecular Weight of the salt 46.03g/mol Formic acid 0.25M Ka = 1.7x 10-4

Chemistry

10th Edition

ISBN:9781305957404

Author:Steven S. Zumdahl, Susan A. Zumdahl, Donald J. DeCoste

Publisher:Steven S. Zumdahl, Susan A. Zumdahl, Donald J. DeCoste

Chapter1: Chemical Foundations

Section: Chapter Questions

Problem 1RQ: Define and explain the differences between the following terms. a. law and theory b. theory and...

See similar textbooks

Related questions

Q: calculate the buffer capacity of a buffer consisiting 0.05 moles each of acetic acid and sodium…

Q: Buffer solution is made by taking 0.404 moles of acid (Pka=5.83) & 0.468 moles of sodium acetate and…

Q: An analytical chemist is titrating 161.1 ml. of a 0.6100M solution of formic acid (H,CO,) with a…

A: Given data,Molarity of HCOOH=0.61MVolume of HCOOH=161.1mL=0.1611LMolarity of NaOH=0.46MVolume of…

Q: A 1.50 L buffer solution is 0.250 M in HF and 0.250 M in NaF. Calculate the pH of the solution after…

A: A 1.50 L buffer solution is 0.250 M in HF and 0.250 M in NaF. Calculate the pH of the solution after…

Q: what volume of acetic acid 0.1 M and what volume of sodium acetate 0.1 M should be added together to…

A: Let the volume of acetic acid be x and the volume of sodium acetate solution be y. The pKa value of…

Q: Calculate the mass of the sodium acetate that must be added to to 1.50 L of a 0.450 M acetic acid…

Q: A 1.33 L buffer solution consists of 0.263 M propanoic acid and 0.198 M sodium propanoate. Calculate…

Q: An analytical chemist is titrating 156.4 mL of a 0.3600 M solution of formic acid (H,CO,) with a…

A: Answer is explained below. Given that, concentration H2CO2 (formic acid) = 0.3600 M & volume of…

Q: A buffer is prepared containing 0.14 M NH3 and 0.42 M NH4+. Calculate the pH of the buffer using the…

A: According to the question, we have: Molarity of NH3= 0.14 M Molarity of NH4+ = 0.42 M Ka for NH4+ =…

Q: A buffer system is prepared by combining 0.406 moles of ammonium chloride (NH4CI) and 0.525 moles of…

A: Moles of base (NH3 ) = 0.525 mol Moles of conjugate acid (NH4+ ) = 0.406 mol Moles of nitric acid…

Q: Suppose you have a buffer, comprised of 0.350 mol of weak base and 0.250 mol of weak acid. Ifthe pH…

A: The of a buffer solution can be calculated using Henderson Hasselbalch Equation written as follows:…

Q: Calculate the pH of a buffer comprised of 0.10 M hypochlorous acid and 0.080 M sodium hypochlorite.…

A: Formula used:- pH = pKa + log [salt]/[acid]

Q: A buffer solution contains 0.383 M ammonium chloride and 0.380 M ammonia. If 0.0305 moles of…

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

Q: An analytical chemist is titrating 247.0 mL of a 0.6700M solution of propionic acid (HC,H,CO,) with…

Q: A 1.48 L buffer solution consists of 0.100 M butanoic acid and 0.294 M sodium butanoate. Calculate…

A: Given that : The volume of buffer solution = 1.48 L The molarity of butanoic acid = 0.100 M The…

Q: culate the grams of the sodium salt that must be added to 100 ml of formic acid solution 0.25M Ka =…

A: pH of buffer solution is calculated by using Henderson Hesselbalch equation

Q: An analytical chemist is titrating 191.3 mL of a 0.8900M solution of hydrazoic acid (HN,) with a…

Q: How many moles of sodium hydroxide would have to be added to 125 mL of a 0.339 M hypochlorous acid…

Q: An analytical chemist is titrating 56.7 mL of a 0.4900M solution of formic acid (H,CO,) with a…

Q: A buffer is made using 100.0 mL of 0.100 M CH;CH,COOH (propanoic acid) and 100.0 mL of 0.100 M…

A: A buffer is an aqueous mixture of a weak acid with its conjugate base or a strong base with its…

Q: A 1.41 L buffer solution consists of 0.264 M propanoic acid and 0.131 M sodium propanoate. Calculate…

A: We have to calculate the pH of the solution

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: An analytical chemist is titrating 136.2 mL of a 0.4700M solution of propylamine (C,H,NH,) with a…

A: no of moles of C3H7NH2 = molarity * volume in L =…

Q: A 1.49 L buffer solution consists of 0.142 M butanoic acid and 0.286 M sodium butanoate. Calculate…

A: Given: Volume of buffer solution = 1.49 L The concentration of butanoic acid, (HA) = 0.142 M…

Q: An analytical chemist is titrating 103.2 mL of a 0.8800M solution of propionic acid (HC,H,CO,) with…

A: Molarity is defined as number of moles of solute divide by volume of solution

Q: A buffer is prepared by adding 35 mL of 0.100 M hypochlorous acid, HOCl, to 65 mL of 0.300 M…

Q: It is desired to prepare a buffer solution with a pH equal to 10 with the ethylamine-ethylammonium…

A: To calculate the weight of ethyl ammonium chloride, we have to use the Henderson Hasselbalch…

Q: An aqueous solution contains 0.30 M ammonium bromide. One liter of this solution could be converted…

A: Given-> Molarity of NH4Br = 0.30 M Volume = 1 L

Q: A buffer is made by adding 0.300 mol HC:H:O2 and 0.300 mol NaCaH»Oz to enough water to make 1.00 L…

A: Given, Concentration of weak acid that is acetic acid (CH3COOH) of the buffer solution is ----…

Q: A solution is prepared by dissolving 0.23 mol of hypochlorous acid and 0.27 mol of sodium…

A: Introduction to Buffer solution- A weak acid and its conjugate base, or vice versa, are combined to…

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: Calculatıng the pH of a weak base titrated with a strong acid Jalidt V An analytical chemist is…

A: In this question reaction of propylamine with nitric acid takes place and then decide accordingly…

Q: An analytical chemist is titrating 108.9 mL of a 0.8900 M solution of propionic acid (HC,H,CO,) with…

A: On mixing strong base to weak acid propionic acid it will form a buffer solution. Whoes pH can be…

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

Calculate the weight in grams of the corresponding sodium salt that must be
added to 100 ml of the indicated acid solution to obtain the buffer solution at
pH 2.68. Molecular Weight of the salt 46.03g/mol
Formic acid 0.25M Ka = 1.7x 10-4

Expert Solution

Step 1

Step by step

Solved in 3 steps with 2 images

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

Calculate the pH of the buffer system made up of 0.17 M NH3/0.47 M NH4C1. pH = %3D
A buffer is made using 100.0 mL of 0.100 M CH3 CH2 COOH (propanoic acid) and 100.0 mL of 0.100 M NACH3 CH2 COO (sodium propanoate). A) Explain in your own words what will occur (at the molecular level) when an nitric acid is added to the buffer? What would be the effect on the pH? B) Explain in your own words what will occur when LIOH is added tot he buffer? What would be the effect on the [H+]?
A 1.451.45 L buffer solution consists of 0.1590.159 M butanoic acid and 0.3320.332 M sodium butanoate. Calculate the pH of the solution following the addition of 0.0620.062 moles of NaOHNaOH. Assume that any contribution of the NaOHNaOH to the volume of the solution is negligible. The ?aKa of butanoic acid is 1.52×10−51.52×10−5.
How many moles of potassium hydroxide would have to be added to 125 mL of a 0.438 M hydrocyanic acid solution, in order to prepare a buffer with a pH of 9.090? moles
A 1.37 L buffer solution consists of 0.298 M propanoic acid and 0.175 M sodium propanoate. Calculate the pH of the solution following the addition of 0.067 mol HCI. Assume that any contribution of the HCl to the volume of the solution is negligible. The K, of propanoic acid is 1.34 × 10-5. pH =
How many moles of sodium hydroxide would have to be added to 225 mL of a 0.349 M nitrous acid solution, in order to prepare a buffer with a pH of 3.570? moles
33)
An analytical chemist is titrating 155.8 mL of a 0.5700 M solution of acetic acid (HCH,CO,) with a 1.100 M solution of NaOH. The p K, of acetic acid is 4.70. a Calculate the pH of the acid solution after the chemist has added 90.08 mL of the NaOH solution to it. Note for advanced students: you may assume the final volume equals the initial volume of the solution plus the volume of NaOH solution added. Round your answer to 2 decimal places.
The buffer was made by combining 0.220 M lactic acid (HC3H5O3) and 0.200 M sodium lactate ( NaC3H5O3). The Ka of HC3H5O3 is 1.4 x 10^-4. 1. write the equation describing the conjugate acid base relationship 2. Calculate the pH of the buffer 3. Calculate the pH of the buffer after the addition of 100.0 mL of 0.100 M potassium hydroxide to 0.9000 L of the buffer solution
A 1.47 L buffer solution consists of 0.173 M butanoic acid and 0.299 M sodium butanoate. Calculate the pH of the solution following the addition of 0.060 moles of NaOH. Assume that any contribution of the NaOH to the volume of the solution is negligible. The K, of butanoic acid is 1.52 x 10-. pH =
An analytical chemist is titrating 74.8 mL of a 0.5300 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 36.1 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.