acid buffer containing 0.050 M CH3COOH and 0.050 M CH3COONA has a pH of 4.74. What will after 0.0020 mol of HCI has been added to 100.0 mL of the buffer? Given: Ka= 1.8 x 10-5 for a. of these choices is correct arch 1:31 PM (? 3/18/2021 12 DAUSO B alt ctri

acid buffer containing 0.050 M CH3COOH and 0.050 M CH3COONA has a pH of 4.74. What will after 0.0020 mol of HCI has been added to 100.0 mL of the buffer? Given: Ka= 1.8 x 10-5 for a. of these choices is correct arch 1:31 PM (? 3/18/2021 12 DAUSO B alt ctri

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: 3- What is the pH of the buffer formed by adding 100 ml of 0.250 M potassium hydrogen phthalate…

A: Given data:Molarity of potassium hydrogen phthalate = 0.250 MVolume of potassium hydrogen phthalate…

Q: A buffer solution is 0.40 M in acetic acid and 0.38 M sodium acetate (Ka=1.75X10°). Calculate the…

A: Given, Molarity of CH3COOH = 0.40 M Volume of buffer = 200.0 mL = 0.200 L Molarity of CH3COONa =…

Q: In a reaction 45.0 mL of 0.3M of HC2H3O2 is titrated with 0.2M KOH solution. Ka= 1.8x10^-5 1) what…

A: Answers are explained below.

Q: A titration is carried out for 25.0 ml of 0.300M HA (Ka - 3.5 x 10) with 0.300M NAOH. Calculate the…

Q: ich of the following 1:1 mixtures would be best suited to form a buffer closest to a pH of 3.70? A)…

A: According to the Henderson-Hasselbalch’s equation, the pH range lies in between pKa±1. So, the…

Q: eq req Ⓡ 2req #3 A student needs to prepare a buffer made from HCN and NaCN with pH 9.681. If K, for…

Q: Consider a buffer made by adding 132.8 g of NaC7H5O2 to 300.0 mL of 2.25 M HC-HsO2 (Ka = 6.3 x 10-5)…

Q: A 50.00-mL aliquot of 0.0700M NACN is titrated with 0.140 M HCI. The reaction is: CN- (aq) + H3O*…

A: The question is based on the concept of titrations. we are titrating a strong hydrochloric acid…

Q: A 25.3 mL sample of 0.332 M ethylamine, C₂H5NH₂, Is titrated with 0.310 M hydrobromic acid. At the…

A: we have to calculate pH of solution at titration midpoint

Q: Pls solve this question correctly in 5 min i will give u like for sure You have the following…

A: To prepare a pH 7.40 buffer with a base concentration of 0.100 M using the chemicals available, you…

Q: 3

Q: 3. What mass of NaA (MW=100 g/mole) must be added to a 100.0 ml of a 0.1 M solution of HA…

A: Buffer solution: The solution that resists the change in pH is known as a buffer solution. The…

Q: A student needs to prepare a buffer made from HCIO and NaClO with pH 7.818. If Ka for HCIO is 3.50 ×…

Q: A buffer made up of equal volumes (391.2 mL) of each of 0.684 M H A and 0.793 M A minus. What is p H…

A: Number of moles = Concentration (M) × Volume of solution (L) Number of moles of HA = 0.3912 L ×…

Q: A buffer made up of equal volumes (444.8 mL) of each of 0.673 M H A and 0.742 M A minus. What is p H…

A: On the addition of NaOH, HA reacts with NaOH to produce A- thus the concentration of HA decreases,…

Q: What quantity in moles of NaOH need to be added to 200.0 mL of a 0.200 M solution of HF to make a…

A: Henderson-Hasselbach equation: pH= pKa + log [base]/[acid]. pKa = -log Ka Given, Ka of HF = 6.8…

Q: What is the pH of a 1.0 L buffer made with 0.300 mol of HF (Ka = 6.8 × 10-4) and 0.200 mol of NaF to…

A: Volume of buffer solution (V) = 1.0 LNumber of moles of HF = 0.300 moleNumber of moles of NaF =…

Q: How much 5.80M NAOH must be added to 430.0 mL of a buffer that is 0.0215 M acetic acid and 0.0270M…

Q: A 24.84 mL aliquot of a weak acid has a concentration of .58 M. It will be titrated with .32 M NaOH,…

A: We have to predict the pH of the solution.

Q: Consider the following reaction: CH₂COOH(aq) +OH(aq) - - 1st attempt CH₂COO" (aq) + H₂O(1) ml 4 Jl…

A: Given,Molarity of NaOH = 5.50 MMolarity of acetic acid = 0.0205 M Molarity of sodium acetate =…

Q: Which of the following mixtures has the highest buffering capacity? OA0.90 M HPO42-/0.90 M PO43- OB.…

Q: Part A A lactic acid/actate ion buffer solution contains 0.32 MHC3H5O3 and 0.67 MC3H5O3,…

Q: A 25.0 mL sample of 0.150 M nitrous acid is titrated with a 0.150 M NaOH solution. What is the pH at…

A: We will calculate concentration of skat formed and then calculate pH using ICE table.

Q: ▼ Part A A lactic acid/lactate ion buffer solution contains 0.49 MHC3H5O3 and 0.79 MC3H5O3,…

Q: At which point in the titration is the pH solely dependent on the excess strong base? 13 12 11 10 9-…

A: At point A, no titrant is added. So, the pH depends solely on the concentration and dissociation of…

Q: Determine the pH of a buffer that is 0.25 M NH, and 0.15 M NH.CI. The value of pKb for NH, is 4.75.…

A: Buffer are solution which resist change in PH when acid Or base are added to the solution

Q: Find pH if, at equilibrium, [H2CO3] = 0.060 M and [HCO3-] = 0.015 M.

A: Concept: The study of the chemical processes occurring in living matter is called biochemistry. It…

Q: [References] How would you prepare 1.20 L of a buffer with a pH of 6.80 from 0.180 M H3PO, and 0.490…

Q: Given the following info about a 1L solution determine the final pH of the buffer after the addition…

A: We have to calculate the final pH of buffer solution.

Q: A buffer is prepared by mixing 16 mL 1M CH3COONa and 4 mL 1M CH3COOH pKa = 4.74. Determine the pH…

A: Initial no. of millimoles of CH3COONa = ( 16 × 1) = 16 millimoles Initial no. of millimoles of…

Q: A buffer made up of equal volumes (433.5 mL) of each of 0.671 M H A and 0.635 M A minus. What is p H…

A: When NaOH is added to the acidic buffer solution, the following reaction occurs: HA+NaOH→NaA+H2O…

Q: Acetic acid has a Ka of 1.80x10-5. What is the pH of a buffer solution made from 0.150 M HC2H3O2 and…

A: The Henderson-Hasselbalch Equation predicts the pH of a buffer solution…

Q: At 25oC, the Ka for a certain monoprotic acid HA is 6.2x10-10. What will be the Ka value for the…

A: Which one of the following is correct answer

Q: Time left U.6:5 The pH of a buffer solution, prepared by combining 50.0 mL of 1.00 M potassium…

A: Given: The Ka of benzoic acid is 6.30×10-5 We have to calculate the pH of a buffer solution prepared…

Q: A 150.0 ml sample of 0.10 M Ca(OH)2 is titrated with 0.10 M HBr Determine the pH of the solution…

Q: Determine the pH of a buffer that is 0.95 M HBRO and 0.68 M KBRO. The value of pka for HBRO is 8.68.

A: Solution : Dissociation is a process which shows separation of molecules into smaller ions.

Q: A buffer with a pH of 9.71 is to be prepared from NH3 and NH4Cl. What ratio of base to salt would…

A: first find pOH then apply Henderson equation of buffer solutions.

Q: Prelab Calculations: 1. A 30.00 mL sample of 0.100 M HOBR is titrated using 0.100 NaOH. The Ka = 2.5…

A: As per our guidelines, I can only answer first question because you have posted multiple questions.…

Q: 3. How many grams of NH CI have to be added to 500.0mL of 0.50M NH, aqueous solution in order to…

Q: 3) How many grams of sodium acetate must be added to 250.0 mL of a 0.200 M acetic acid solution to…

A: pH = pKa + log[CH3COONa]/[CH3COOH] pKa = -log Ka

Q: A buffer made up of equal volumes (340.7 mL) of each of 0.754 M A H and 0.867 M A minus. What is p H…

Q: 7. Calculate the pH during the titration of 20.00 mL of 0.1000 M CH3COOH with 0.2000 M NaOH solution…

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

Question

An acetic acid buffer containing 0.050 M CH3COOH and 0.050 M CH3COONA has a pH of 4.74. What will
the pH be after 0.0020 mol of HCI has been added to 100.0 mL of the buffer? Given: Ka = 1.8 x 10-5 for
acetic acid.
%3D
A) 4.77
B) 4.71
C) 4.68
D) 4.62
E) none of these choices is correct
1 1171.: L f fll in h
O lype here to search
1:31 PM
3/18/2021
0
ait
ctri

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

VIEW

Step 2

VIEW

Step by step

Solved in 2 steps with 1 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

7. Refer to the following table: Table 2-2. Change in pH of 0.2 M Acetate Buffer after addition of Acid or Base [Base]:[Acid] 0.005:0.195 Addition pH HC1 0.095 mol 3.1 HC1 0.075 0.025:0.175 3.9 HС1 0.05 НС1 0.025 0.05:0.15 4.2 0.075:0.125 4.5 0.1:0.1 0.125:0.075 4.7 NaOH 0.025 mol 4.9 NaOH 0.05 mol 0.15:0.05 5.2 NaOH 0.75 mol 0.175:0.025 5.5 NaOH 0.095 mol 0.195:0.005 6.3 a. Calculate the pH of a 0.2 M acetate buffer (a solution containing 0.1 mol L-' acetic acid and 0.1 mol L-1 sodium acetate), given that the pKa of acetic acid is 4.7. b. What would be the pH value after adding 0.05 mol of NaOH to 1 L of 0.2 mol L1 acetate buffer? c. Compare the pH value in (b) with that obtained after adding 0.05 mol NAOH to 1 L of water (a simple solution of 0.05 mol L-' NaOH). d. How much acid or base can be added to 1 L of the 0.2 M acetate buffer so that the pH does not change appreciably (i.e., what is its buffer range)?
Concentration: 0.50 M Buffer Solution: Phosphate pKa: 2.12 Desired pH: 3.0
How do I complete problem 2 in a step by step solution?
Qy A 50ml 0.1IM CeH:COOH( K= 10-)is diluted to 100 m! and titrated with 0.2 M KOH 1- Find the PH before any base is added 2- Find the PH when 15 ml of base has been added. 3. Find the PH at the equivalence point 4. Find the PH when 30 ml of base has been added 5- Draw the approximate titration curve, and discuss the feasibility of the titration.
22
3. What is the pH of a buffer composed of 0.35 M H;PO4¯(aq) and 0.65 M HPO4?- (aq)? (Ka of H2PO4¯ is 6.2 × 10-8) a) 7.48 b) 9.06 c) 6.94 d) 7.73 e) 7.21 f) none of the above 1(CH CU O U corhon
Fn 50 PM Wed Apr 19 Alt TA UD ... Alt OH 2. Calculate [HT Jeq if 16.6 mL of 0.120 M NaOH was required to titrate 25.0 mL of the KHT in pure water. Finally, calculate the Ksp. + 96%
Plzz ans as soon as possible...
Determine the resulting pH when 0.003 mol of solid NaOH is added to a 100.0 mL buffer containing 0.13 M HClO and 0.37 M NaClO. The value of Ka for HClO is 2.9 × 10⁻⁸
14. Acetic acid has a K, of 1.8 x 10-$. What is the pH of a buffer solution containing 0.15M HC2H3O2 and 0.15M C2H3O2?
Q12: 50 ml buffer solution contain 0.15 M formic acid HCOOH,ka = 1.8*10-4, and 0.1 M soduim format HCOONa. Calculate: 1. PH after addition of 10 ml of 0.2 M HCl solution. 2. PH after addition of 5 ml of 0.3 M NaOH solution. (8 degree) (7 degree)
A buffer made up of equal volumes (459.1 mL) of each of 0.885 M H A and 0.691 M A minus. What is p H of the buffer after addition of 11.82 mL of 0.141 M N a O H? K a of H A is 4.320E-5.