For a solution of formic acid, a weak acid with a pKa of 8.74, at what pH will the concentration of formic acid be equal to the concentration of formate, the conjugate weak base of formic acid. Report the value using 3 significant figures.

For a solution of formic acid, a weak acid with a pKa of 8.74, at what pH will the concentration of formic acid be equal to the concentration of formate, the conjugate weak base of formic acid. Report the value using 3 significant figures.

Principles of Modern Chemistry

8th Edition

ISBN:9781305079113

Author:David W. Oxtoby, H. Pat Gillis, Laurie J. Butler

Publisher:David W. Oxtoby, H. Pat Gillis, Laurie J. Butler

Chapter15: Acid–base Equilibria

Section: Chapter Questions

Problem 75AP

See similar textbooks

Related questions

Q: yields b. Beta decay: Te → 128 52

Q: 1. Draw the most appropriate Lewis structure(s) for CCI4. What is the electron domain geometry ar…

A: Given, Molecule = CCl4 a). What is the Lewis structure of CCl4 = ? b). What is the electron…

Q: Compounds X and Y are both C,H15CI products formed in the radical chlorination of…

Q: 4-bromobenzoic acid (1.0 g) is dissolved in 20 ml dichloromethane. After addition to a separatory…

A: We have find out the answer.

Q: Fill in the nuclide symbol for the missing particle in the following nuclear equation. 210 Pb 82

A: In electron emission, also called negative beta decay (symbolized β−-decay). During beta-decay, no…

Q: 8. Draw the most appropriate Lewis structure(s) for the ion NO,. What is the electron domain…

A: In electron geometry the both lone pair and bind pair are taken in count for geometry but in…

Q: Sulphur is an element which exhibits different oxidation numbers in different substances. (a) In…

A: Answer: Oxidizing reagent is the reactant that during the redox reaction oxidized others and itself…

Q: 2. Find the density in pound per cubic feet of ammonia gas at 100C when confined by a pressure of…

A: Answer: Ideal gas equation in density form is shown below: P=dRTMPMRT=dd=PMRT Here: d=density of the…

Q: Specific Chemical Shift multiplicity (s, d, t, etc.) Integration # of 13C-NMR Br Proton (ppm) (# of…

A: Chemical shift- It is the resonant frequency of a nucleus relative to a standard in a magnetic…

Q: 2a. What is the name of this type of intermediate? Does it want to give up electrons or gain…

A: Given,

Q: Step 1: Calculate the Index of Hydrogen Deficiency (IHD). Step 2: Use IR to determine obvious…

Q: the solubility rules, Ag2CrO4 was listed as an "insoluble" salt. It is actually slightly soluble in…

A: Given-> Concentration of CrO42- = 7.80 × 10-5

Q: In the solubility rules, Ag2CO3 was listed as an "insoluble" salt. It is actually slightly soluble…

Q: Which of the following describe(s) the following reaction? Choose all that apply. 235TJ 92 1Xe +…

A: Chain reaction ===> Process in which neutrons released in fission produce an additional fission…

Q: 3. 1. NaNH2 CH3C=CH 2. Br Na liq NH3

Q: Organic Chemistry Organic Chemistry Problems Elimination Reactions Problem 5: Which of the product…

A: These given reactions are well examples of elimination process and the nature of product formed…

Q: 0.024 grams of solid silver chromate (Ag2CrO4) were added to 250 mL of water (final vol). How many…

A: Given: Mass of Ag2CrO4 taken = 0.024 g. And volume of solution= 250 mL = 0.250 L

Q: What is the binding energy in kJ/mol nucleons for chlorine-35? kJ/mol nucleons 17;H+ 18;n→Ci The…

A: Since you have posted more than 1 question so we can do only first question for you. If you want…

Q: What would be the electrochemical notation for the redox reaction below? Zn (s) + Cr3+ (aq) → Zn2+…

A: In an electrochemical cell, the electrical energy is produced from the spontaneous cell reaction at…

Q: 6. List the following from most likely to least likely to exist: TeBr6 ТеBr4 PF4 Sel6 Tel6 Explain:

A: The stability of the given halides of Tellurium, phosphorus and Selenium are needed to be discussed.…

Q: Questions: (1) What is the basis of Hinsberg method in separating and classifying the three classes…

A: Answer: These questions are based on the chemical properties of aliphatic and aromatic amines.

Q: A buffer is prepared using acetic acid, CH3COOH, (a weak acid, pK = 4.75) and sodium acetate,…

Q: What is the binding energy in kJ/mol La for lanthanum-139? |k]/mol 57;H+ 82;n The required masses…

A: 521H1 + 82 1n0 --->

Q: 8. Draw the most appropriate Lewis structure(s) for the ion NO. What is the electron domain geometry…

Q: a.Give all the structural isomers of the compound C3H5Cl which contains one C=C bond. (Hint: 3…

A: Structural isomers or constitutional isomers are those which have the same molecular formula but…

Q: (2) Using the values for standard free energies given in Table 2.5, calculate AG298 for each of the…

A: Using the standard gibs free energy change to calculate ∆G°

Q: Step 1: Calculate the Index of Hydrogen Deficiency (IHD). Step 2: Use IR to determine obvious…

Q: Prepare a spreadsheet for the titration of 48.2 ml of 0.2025 M H2L with 0.1012 M N2OH, pKa1-3.65 and…

Q: I'm trying to calculate Delta T, q of solution, q of cal, a of rxn

Q: The peak widths if the spectra of atomic UV-vis are different from the molecular UV-vis spectra.…

A: The peak widths of the spectra of atomic UV-vis are different from the Molecular UV-vis spectra.

Q: Questions 26-29 refer to the same strong acid/strong base (SA/SB) titration. Prior to the beginning…

Q: An electrochemical cell is created using the following: A useful table of reduction potentials Eº…

A: We have given two electrodes Ag(s) and Ni(s). The half cell which has the higher reduction potential…

Q: What is the concentration of AIF63- in 1.00 L of aqueous solution made with 34.9 mmole of Al(NO3)3…

Q: For the following 9 compounds (most of which were the ones used in this lab), tell me what peaks you…

Q: Problem 1: What class is represented by the following molecules. Strs Br FlNbentene viny halide…

Q: The function e(x) where r = R/a (see Molecules Notes on blackboard) describes the total energy of…

A: We have find out the answer.

Q: 18 2.8 53 1.4 26 1.2 61 1.3 27 3.6 63 1.4 100- 28 1.4 65 2.7 HS-N-1067 37 3.6 66 2.1 80- 37.5 1.4 73…

A: As these spectra belongs to benzoic acid, we can assign the mass peaks based on the possible…

Q: buffer is prepared using acetic acid, CH3COOH, (a weak acid, pKa = 4.75) and sodium acetate,…

A: First to calculate pH. Then to calculate volume of HCl.

Q: Specific Chemical Shift multiplicity Integration # of 13C-NMR (s, d, t, etc..) Proton IHC (ppm) (#…

A: The correct answer about NMR spectrum is given below

Q: Evaluate the boiling point temperature for benzene (CgHg) at 350 atm, given that benzene has the…

Q: 4. How fast does light travel in glass of refractive index 1.5?

A: Please find your solution below : Refractive Index of a medium is defined as the ratio of speed of…

Q: Which of the following characterizes an alpha ray? Choose all that apply. ]carries a negative charge…

A: The Beta ray is 2He4 is +2 charged ao it is expected to be attracted by negetive And it has higher…

Q: LAL test results could be determined based on ________? I. Color development II. Cloudiness III. Gel…

A: LAL test is used to detect the presence of endotoxins.

Q: Air is composed of approximately 78% N2, 21% O2 and 1% percent other gases. Calculate the density of…

A: We would use ideal gas law to calculate density of Helium gas at STP . To explain why balloon…

Q: For each of the following reactions, (i) write an equation, (ii) determine what is oxidized and…

Q: The peak widths if the spectra of atomic UV-vis are different from the molecular UV-vis spectra.…

A: The peak widths of atomic UV-vis spectra are sharp where as the peak widths of molecular UV-vis…

Q: N. CH3 NH2 CH3 b. C. Br NH2 d.

Q: A mass of 31.5 g of H20(g) at 373 Kis allowed to flow into 279 g of H2O(1) at 298 K and 1 atm Part A…

A: In case of mixing of two liquids at different temperature, the final temperature of final solution…

Q: Convert the following pH or pOH values to [H*] or [OH] concentration Example: pH = 7.0, [H*] = 1.0 x…

A: Please find your solution below : pH is the measure of how acidic or basic a substance is. It is…

Q: Which of the following characterizes a beta ray? Choose all that apply. is more penetrating than a…

Concept explainers

Ionic Equilibrium

Chemical equilibrium and ionic equilibrium are two major concepts in chemistry. Ionic equilibrium deals with the equilibrium involved in an ionization process while chemical equilibrium deals with the equilibrium during a chemical change. Ionic equilibrium is established between the ions and unionized species in a system. Understanding the concept of ionic equilibrium is very important to answer the questions related to certain chemical reactions in chemistry.

Arrhenius Acid

Arrhenius acid act as a good electrolyte as it dissociates to its respective ions in the aqueous solutions. Keeping it similar to the general acid properties, Arrhenius acid also neutralizes bases and turns litmus paper into red.

Bronsted Lowry Base In Inorganic Chemistry

Bronsted-Lowry base in inorganic chemistry is any chemical substance that can accept a proton from the other chemical substance it is reacting with.

Question

For a solution of formic acid, a weak acid with a pKa of 8.74, at what pH will the concentration of
formic acid be equal to the concentration of formate, the conjugate weak base of formic acid. Report
the value using 3 significant figures.

Expert Solution

This question has been solved!

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

This is a popular solution!

SEE SOLUTION Check out a sample Q&A here

Step 1

VIEW

Step 2

VIEW

Trending now

This is a popular solution!

Step by step

Solved in 2 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

Complete a net ionic equation for each proton-transfer reaction using curved arrows to show the flow of electron pairs in each reaction. In addition, write Lewis structures for all starting materials and products. Label the original acid and its conjugate base; label the original base and its conjugate acid. If you are uncertain about which substance in each equation is the proton donor, refer to Table 4.1 for the relative strengths of proton acids. (a) NH3+HCl (b) CH3CH2O+HCl (c) HCO3+OH (d) CH3COO+NH4+
Find the pKa of the acids (or conjugate acids of the given base) below. Then, draw the form that is predominant at pH = 3, 7, 12 for each of the compounds:
One way to determine the predominant species at equilibrium for an acid-base reaction is to say that the reaction arrow points to the acid with the higher value of pKa. For example,
Benozic acid (C6H5COOH) has a pKa of 4.20. What is the ratio of the acid to its conjugate acid at a pH of 2.20 and what is the formula of the conjugate acid?
if the pH at one half the first and second equivalence points of a dibasic acid is 4.80 and 7.34, respectively, what are the values for pKa1 and pKa2?
Phosphoric acid (H3PO4) is tribasic, with pKa's of 2.14, 6.86, and 12.4. The charge of the ionic form of the conjugate base that predominates at pH 8 is _______ .
Compare the pH of propionic acid and nitric acid when they are dissolved in water at a concentration of 20 mM. This should include writing a balanced equation describing the acid-base reactions involved, calculation of the pKa for both, calculation of pH, and calculation of the percent dissociation of both.
Which of the following two acids has the stronger conjugate base? Nitrous acid, Ka = 7.1 x 10–4 Phenol, Ka = 1.0 x 10–10 The strength of the conjugate base cannot be obtained from the information given. Nitrous acid, because it has a larger Ka value. Nitrous acid, because it has a smaller Ka value. Phenol, because it has a larger Ka value. Phenol, because it has a smaller Ka value.
(a) Given that Ka for acetic acid is 1.8 x 10-5 and that forhypochlorous acid is 3.0 x 10-8, which is the stronger acid?(b) Which is the stronger base, the acetate ion or the hypochloriteion? (c) Calculate Kb values for CH3COO- and ClO-.
Weak acids are not equally weak! Rank the following acids fromstrongest to weakes. For theacids in problem #14, please calculate the pKa of each of them. What pattern do you see between strengthand pKa? HCN Ka = 6.2x10-10 HCOOH Ka = 1.8x10-4 H2CO3 Ka = 4.5x10-7
Propose the relative ratio and chemical structures of the acid form and conjugate base of the following compounds, when in aqueous solution at pH 7.4Please help
Calculate the ratio [CH3COOH]/[NaCH3COO] that gives a solution with pH = 5.00? Hint: Rearrange the Hendersen-Hasselbach equation to solve pH = pka + log [base]/[acid] The Ka of CH3COOH is 1.8x10-5