Answered: Practice 8: What is the Kã of a weak…

Practice 8: What is the Kã of a weak acid if a 0.100 M solution has a pH of 4.25? A. 3.2 x 10-8 B. 4.2 x 10-3 C. 6.7 x 10-6 D. 5.4 x 10-5

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: what is the pH of 1.0 x 108 M solution of H2S04? Ka for the reaction is100 Select one: О а. 8.00 ОБ.…

A: In order to calculate the pH we first write down the given data: Concentration of the acid= 10-8 M.…

Q: 2. The Ka of acetic acid is 1.80 × 10%. A. What is the pH of a 0.15 M solution of acetic acid? B.…

Q: Bleach and milk of magnesia are both bases. Their [H'] values are 2.0 x 10 mol/L and 4.1 x 10 0…

A: pH is the negative logarithm of [H+]. Higher the proton concentration in a solution, lower will be…

Q: . Vinegar and lemon juice are both acids. Their (H*] values are 5.0 x 10 mol/L and IX 102 mol/L,…

A: Given that [H+] of lemon is 5×10-3mol/L [H+] of vinegar is 1×10-2mol/L Formula used pH=-logH+ Both…

Q: 10. Which one has the lowest concentration of H3O* ions? A. pH = 3.0 B. pH = 5.0 C. pH = 7.0 %3D D.…

A: The relation between pH and concentration of H3O+ is pH = - log [H3O+] [H3O+] = 10-pH … (1) This…

Q: e. 2.0 x 108 M 1. The pH of a solution is 4.80. What is the concentration of hydroxide ions in this…

A: Since, pH value measure the acidity or basicity of the solution or compound. If pH > 7 then…

Q: At 25 °C the Kb for benzoate, C6H5COO-, is 1.6 × 10-10. What is the Ka for its conjugate acid?…

Q: For HBrO Ka = 2.30 x 10-9. What is the pH of a 0.15 M solution of HBrO? (ICE Problem) HBrO + H2O ↔…

A: Reaction equation for the acid and water is given as: The dissociation of acid is given as: ICE…

Q: 1. The pH of a solution is 4.80. What is the concentration of hydroxide ions in this solu a.4.2 x 10…

A: As you have requested the solution for Q.2. We are providing you with the same solution for you.…

Q: A 0.303 M solution of hydrogen sulfide has a pH of 3.80. What is the Ka of hydrogen sulfide? a. 1.6…

Q: A solution with a pOH of 11.70 has an [H+] of a. 5.0 × 10−3 M.b. 3.2 × 10−4 M.c. 2.0 × 10−12 M. d.…

A: Given data, pOH of the solution =11.70

Q: In a 2.4 M solution of a certain weak monoprotic acid HA, 4.0% of HA molecules are ionized. What is…

A: The ionization reaction of weak monoprotic acid HA is: HA⇌H++A-Initial concentration…

Q: At 25 degrees Celsius, what is the hydronium ion concentration in 0.100 M sodium chloroacetate? O a.…

A: Given, Concentration of Sodium chloroacetate, ClCH2OONa is = 0.100 M

Q: 13. What is the value of [H3O+] in a solution where pOH is 5.38? A. 4.17 x 10-6 B. 2.60 x 10-10 C.…

A: SOLUTION: Step 1: The concentration of [OH-] is calculated as follows: pOH = 5.38. pOH= -log [OH-]…

Q: If the pH of a 0.15 M acid is 3.6, what is the Ka? 10:3

A: Concentration (c) = 0.15 M pH = 3.6 Ka = ?

Q: QUESTION 1 What is the pH of a 2.5 mM weak acid solution with Ka= 10-6? O a. 44 O b.4.3 C. 4.22 O d.…

A: Given, Ka=10-6 concentration of weak acid = 2.5 mM

Q: Lactic acid, HC3H5O3, is found in sour milk. What is the pH of 0.30 Mlactic acid? (Ka = 1.4 ××…

Q: Calculate the pH of the follo 0.39 M NH4CI (рКp fo O a. 2.57 O b.4.83 с. 9.67 O d.4.33 O e. none of…

A: Given, pKb = 4.74 Concentration of Salt(C)= 0.39 M It is salt of weak base -strong acid type salt .…

Q: 5. You are working with an that has [H] = 0.0001 mol/L. a. What is the [H] of the solution? b. What…

Q: A weak acid, HX, has a Ka of 1.00 x 10. If 0.0500 mole of HX is dissolved in 500 mL of water, what…

Q: What is the pH of a 0.10 M solution of an acid that has a Ka of 1.8 X 10-5? A 1.36 x 10-3 B 2.87 C)…

Q: Link a description with an equation - - . . Second-order integrated rate law First-order integrated…

Q: What is the hydronium-ion concentration of a 0.30 M solution of HCN (K=4.9 × 10-10) at 25°C? a. 1.7…

A: The concentration of HCN is 0.30M The acid dissociation constant Ka is 4.9 × 10-10 Using the data we…

Q: What is the k a of a monoprotic weak acid if a 0.932 M solution has a pH of 4.456? a 3.50x10-5…

Q: 17. Calculate the pH of a 0.520 M solution of a monoproctic acid with Ka = 5.44 x 10^-10. a.…

Q: Practice 8: What is the Ka of a weak acid if a 0.100 M solution has a pH of 4.25?

A: Thank you.

Q: 8. Given the following, what will be the approximate equilibrium pH of an aqueom of ammonium…

A: The problem is based on ionic equilibrium. Here we will be using pH for salt hydrolysis. The…

Q: In a 2.1 M solution of a certain weak monoprotic acid HA, 4.0% of HA molecules are ionized. What is…

A: Let c be the initial concentration of weak monoprotic acid HA and α be its degree of ionization.…

Q: A 0.0722 M acid has pH of 3.11, what is the Ka of the acid?

Q: The pH of a 0.250 M hypoiodous (HOI) solution is 5.620. What is the value of Ka a. 5.76 x…

A: Calculate the concentration of hydrogen ions.

Q: In a 2.1 M solution of a certain weak monoprotic acid HA, 4.0% of HA molecules are ionized. What is…

Q: The pH of 0.100 M Jackmanic Acid, HJa, is 2.24. What is the value of Ka for the acid? a. 4.4 x 10-5…

A: Equation representing dissociation of HJa in water: HJa + H2O → H3O++ Ja− Dissociation constant,…

Q: A 0.408 M solution of benzoic acid has a pH of 2.30. What is the Ka of benzoic acid? a. 4.21 b.…

A: Answer:- this question is answered by using the simple concept of calculation of Ka value using the…

Q: corresponds to the pH value?

A: Strong acid is substance which release hydrogen ions and strong base is substance which release…

Q: What is the pH of a 0.2M monoprotic acid whose Ka is 5.7 x 10-4? a. 2.5 b. 0.83 c. 2.0 d. 1.8

A: Given data,Molarity of acid=0.20MKa=5.7×10-4

Q: A 0.355 M solution of bisulfide has a pH of 10.00. What is the Kb of bisulfide? a. 2.8 × 10-8…

Q: At a certain temperature the vapor pressure of pure thiophene (C₂H4S) is measured to be 0.33 alm.…

Q: Butyric acid is responsible for the odor in rancid butter. A solution of 0.25 M butyric acid has a…

A: Given that,The concentration of butyric acid,The pH of the solution = Ka for the acid = ?

Q: If Ka for the acid is 2.51 x 10-5 at 25°C, what is the Kb of the conjugate base? a. 3.98 x 1010 b.…

A: Acid can be defined as the substance that give hydrogen ions in solution.and a strong acid have…

Q: A solution of 7.97 M formic acid (HCOOH) is 0.47% ionized. What is the Ka value of formic acid?…

Q: The weak acid HA is 10 % ionized (dissociated) in a 0.20 M solution. The Ka for this acid is:

A: Dissociation constant is a quantity that tells the extent to which a particular substance gets…

Q: Calculate the pH of a 0.50 M aqueous solution of HF. (K₂ 7.2 x 104) A. 3.6 x 10-4 B. 0.019 C. 1.7 D.…

A: Given: The Ka for HF = 7.2 × 10-4 We have to calculate the pH of a 0.50 M aqueous solution of HF.

Q: 0.215 M solution of acetate has a pH of 9.00. What is the Kb of acetate?

Q: 10. What is the acid dissociation constant for H2PO4* if the pKы1, pKb2, and pKыз for phosphoric…

A: Acidity is defined as the ability of a molecule to release protons.If a compound easily donates…

Q: 8. Calculate the percentage dissociation for a 0.010 M hypochlorous acid solution. The K₂ for…

A: 8. The concentration of the hypochlorous acid solution = The for hypochlorous acid = We have to…

Q: Calculate the Ka of an acid, HX, whose ionization is 31% when CHX= 0.60 M (Note that the %…

Q: Calculate the molar concentration of [OH-] for a 0.5 M acetic acid solution. Ka = 1.8 × 10-5 a.…

A: Given molarity of acetic acid solution = 0.5 M Dissociation constant , Ka = 1.8 × 10-5

Question

Practice 8: What is the Kã of a weak acid if
a 0.100 M solution has a pH of 4.25?
A.
3.2 x 10-8
B.
4.2 x 10-3
C. 6.7 x 10-6
D.
5.4 x 10-5

AI-Generated Solution

AI-generated content may present inaccurate or offensive content that does not represent bartleby’s views.

Unlock instant AI solutions

Tap the button
to generate a solution

Click the button to generate
a solution

SEE SOLUTION

Similar questions

Calculate the pH of the following solutions: a. 5.4 x 10-4 b. 4 x 10-2 c. 8.102 x 10-3
6. What is the pH of a solution containing 0.550 M HOAc and 0.460 M LiOAc?(ka of HOAc = 1.80 x 10-5) A. 4.95 B. 2.50 C. 4.67 D. 6.40 E. 8.72
1. Calculate the pH of the following: a. A solution whose pOH = 8.95 b. 6.37 M HC1 c. 5.25 M Ca(OH)2 d. a 7.50 M solution of acetic acid. The K₂ for acetic acid is 1.8 x 10-5
A 0.369 M solution of hydroxylamine has a pH of 9.80. What is the Kb of hydroxylamine? a. 6.8 × 10-20 b. 1.1 × 10-8 c. 1.7 × 10-4 d. 1.6 × 10-10 e. 1.5 × 105
PLEASE GIVE THE IUPAC NAMES OF THE FOLLOWING
chemistry 102
What is the Kw of pure water at 15.0 C if the pH is 7.20? a. 6.31 x 10^8 b. 1.26 x 10^-14 c. 3.98 x 10^-15 d. 1.26 x 10^-7 e. 1.00 x 10^-14
Calculate the pH of a 0.345 mol L-1 solution of formic acid, Ka = 1.8 x 10-4. Select one: a. 3.17 b. 2.49 c. 2.10 d. 1.60 e. 2.04
The pH of 0.100 M Jackmanic Acid, HJa, is 2.24. What is the value of Ka for the acid? a. 5.4 × 10-3 b. 4.4 × 10-5 c. 3.5 × 10-4 d. 2.24
15. Dimethylamine (CH3)2NH is a weak base with a pKą of 11.0 Calculate the pH of a solution of dimethylamine at 0.40 mol.L-1. b. Calculate the pH of a solution of dimethylamine at 4.0 x 10-2 mol.L-¹.
Calculate the Kb of Hypochlorous acid, Ka= 3.5 x10^-8 A.1.3 x 10^-4 B.2.9 x 10^-7 C.3.1 x 10^-6 D. 8.6 x 10^-4
Given the following Ka values, which one belongs to the strongest acid? The weakest acid?a. 6.2 x 10-8b. 1.8 x 10-5c. 7.5 x 10-3d. 4.9 x 10-10e. 6.8 x 10-4