At the end of "class", I asked you to consider a triprotic acid with pka's = 2.0, 6.0 and 10.0. What is the equilibrium constant for the reaction H3A + HA²¯ ⇒ 2H₂A? If you need to, assume 25 °C, where Kw = 10-14

At the end of "class", I asked you to consider a triprotic acid with pka's = 2.0, 6.0 and 10.0. What is the equilibrium constant for the reaction H3A + HA²¯ ⇒ 2H₂A? If you need to, assume 25 °C, where Kw = 10-14

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 82AP

See similar textbooks

Related questions

Q: b) c) d) Cl₂ 56 °C 1 eq HBr 56 °C 1 eq HBr -78 °C 1 eq DCI -78 °C

A: Addition reaction of cl2, HBr to 1,3 -dienes.

Q: 9) For each compound shown below, convert the structure to zig-zag (line) notation (include…

A: Zigzag conformation is defined as liner chain conformer where all the carbon-carbon bond are anti…

Q: a. F b. S c. Be d. Cs CI CI Mg Na Br Mg Ca P I Na Sr F largest atomic radius greatest electron…

Q: Consider the reaction of 2-bromo-2-methylpropane with water, shown below, to answer the following…

A: In the second step the lone pair of water will be attack with the electron deficient planar…

Q: phenylmagnesium chloride In the compound shown above, is the carbon-metal bond nonpolar covalent,…

Q: k ces Be sure to answer all parts. Hydrogen iodide decomposes according to the reaction 2 HI(g)…

A: Volume (V ) = 1.50 LInitial moles of H2 = 0.0063 molInitial moles of I2 = 0.00414 molInitial moles…

Q: Calculate the volume (in mL) of 0.200 M Na₂CO3 needed to produce 2.00 g of There is an excess of…

A: Given reaction:Na2CO3 + CaCl2 ------> CaCO3 + 2NaClMolar mass of CaCO3 = 100.09…

Q: Which of the following H's is the least shielded? B C

A: We know the proton which is influenced by the magnetic field created by neighboring atoms, and if…

Q: Determine the pH during the titration of 27.3 mL of 0.262 M perchloric acid by 0.426 M sodium…

A: Given volume of perchloric acid is 27.3 mL and strength is 0.262 M.Given strength of NaOH is 0.426…

Q: a) b) HO c) 승 。

A: In an acetoacetic ester synthesis, ethyl acetoacetate is alkylated through the deprotonation of the…

Q: Indicate the (i)metal oxidation state, (ii)d-electron count, and (iii) thecoordination numberof…

A: The given structure presents the deoxy myoglobin.

Q: HCI HCI HCI HCI

A: We have to determine that wether these are diastereomer, enantiomer, identical, or other .

Q: Consider the reaction: FeO (s) + Fe (s) + O2 (g) → Fe2O3 (s) Given the following table of…

Q: How many milliliters of 8.50x10-2 M NaOH are required to titrate each of the following solutions to…

Q: edox balancing: A. Mn2+ + BiO3- ---→ Bi 3+ + MnO4-

A: Balance the given Redox Reaction. Mn2+ + BiO3- ---→ Bi 3+ + MnO4-

Q: Draw the organic product in each of the reactions. Include formal charges, if applicable. Omit any…

A: Given reaction sequence is: Draw the major products of the reaction = ?

Q: What is the standard enthalpy of isomerization (kJ/mol) of propanol to isopropanol in the liquid…

A: The chemical equation for the isomerization of propanol into isopropanol in the liquid state is…

Q: Complete the following table. Acid Name arsenic acid Acid Formula HIO3 Anion Name nitrite ion Anion…

A: The question is based on the concept of acids. We need to identify the acid formula, anion name and…

Q: Complete the synthesis. Show all major intermediates.

A: PCC oxidises primary alcohol to aldehyde and secondary alcohol to ketone.Hydroboration-oxidation…

Q: Complete the balanced chemical equation for the following reaction between a weak base and a strong…

A: When each element has an equal amount of atoms on both sides of the equation, the chemical equation…

Q: Complete the synthesis. Show all major intermediates. ~

A: PCC oxidises primary alcohol to aldehyde and secondary alcohol to ketone.Hydroboration-oxidation…

Q: For the gas phase decomposition of t-butyl alcohol, (CH3)3 COH → (CH3)2C=CH2 + H₂O the rate constant…

A: Activation energy is defined as the energy absorbed by reactant molecule to reach the transition…

Q: The specific heat of H2O is 4.184 J/g°C. The AHfus of H2O is 334 J/g. The AHvap of H2O is 40.7…

A: Given data Specific Heat (C) for ice = 2.11 J/g-0CHeat of Fusion for water = 334 J/gSpecific Heat…

Q: Circle and name all the functional groups (other than alkane) in each of the following structures.…

Q: Write the balanced NET ionic equation for the reaction when AgC₂H3O2 and Ni(CIO4)2 are mixed in…

A: When siver acetate , AgC2H3O2 and nickel perchlorate , Ni(ClO4)2 are mixed in aqueous…

Q: Your Chosen Cell... What is the name? What is the equation of the reaction with the voltage. What…

A: IntroductionWe are discussing a specific type of battery known as a silver battery cell. The…

Q: Given one mole of the reactant below, what would be the major Markovnikov product if the molecule…

A: According to Markonikov's rule alkene or alkyne bond will be broken and a nucleophile like OH-, Br-…

Q: Complete the electron configuration for Br. electron configuration: [Ar] 1s² 2s² 2p 3s² 3p6 4s² 3d¹0…

A: The electronic configuration is written asThe energy of the orbitals is 1s ˂ 2s ˂ 2p ˂ 3s ˂ 3p ˂ 4s…

Q: [M(H2O)6]2- complex has 1 unpaired electron. What is M? V Cr Fe Mn Ti

A: IntroductionThe question states that the complex [M(H2O)6]2- possesses one unpaired electron. This…

Q: Calculate the molarity of H 3O+ and the molarity of OH - (at 37°C) in a solution having a pH equal…

A: pH = - log[H3O+] pOH = - log[OH-] pH + pOH = 14 [H3O+][OH-] = 1 x 10-14

Q: Among following, which factors affect the reaction rate? 1. Temperature 2. Frequency of collisions…

A: Collision theory describes the conditions on which rate of chemical reaction depends. It tells that…

Q: Predict reagents needed to complete this E2 elimination reaction. + Br 22°C Heavy rain a Problem 18…

A: The presence of Base and heating condition basically favours elimination reaction .

Q: 4. Draw an electron-pushing mechanism with curved arrows for the following Diels-…

A: Diels alder reaction is a 4n+ 2 cycloaddition reaction between a diene and dienophile. Diene should…

Q: Obtain m-methoxybenzyl alcohol and m-chlorobenzoic acid from the appropriate raw materials and…

A: Cannizzaro reaction occurs when carbonyl compounds basically aldehyde or ketone without having alpha…

Q: Calculate frequency of radiation from n=3 to n=2

Q: 10:55 AM Wed Jul 5 Question 10 of 15 1 4 7 +/- Tan here or pull up for additional resources The pH…

Q: Describe four different ways in which the molar enthalpy associated with a chemical change can be…

A: The four different ways in which the molar enthalpy associated with a chemical change can be…

Q: Draw the major product of this elimination. Consider regiochemistry and stereochemistry. Ignore…

A: Strong base favors E2 reactionWeak base favors E1 reactionDuring elimination greater substituted…

Q: If Qsp is greater than 1, it will be assumed that Gibb's free energy of the reaction is positive…

A: Delta G is the difference in Gibbs free energy between the products and reactants of a reaction. If…

Q: (h) I I H CH3 H H CH3 I

A: You must comprehend the fundamentals of these conformations in order to transform a Newman…

Q: 3. Predict the major organic product(s) of the following reactions. Indicate stereochemistry with…

A: Endo product is the kinetic and major product

Q: Give only typing answer with explanation and conclusion 0.1745 g of primary standard Na2C2O4 is used…

A: The concept of given question is based upon quantitative chemical analysis or titrimetric…

Q: - Name the following compounds. 6) 2 Name the following compounds. a OCH3 CH₂ CH₂ CH CH 3. L V

Q: Decide whether each row is a set of resonance structures for a single molecule and select "yes" or…

A: It is based on the concept of resonance.Resonance is delocalization phenomenon which involves the…

Q: Give answer all sub parts in detailed..I will give you upvote

A: In the first question it is said to find the structure of alcohols. Now, alcohols have function…

Q: Question 4. Explain how each of the following factors affect the solubility of a gaseous solute in a…

A: A solution is a homogeneous mixture of one or more solutes in a solvent. The solubility of a…

Q: 1. Hg(OAd)z, но но 2. Na BH

A: In this reaction, an alkene is treated with mercury(II) acetate, Hg(OAc)2, and the product formed is…

Q: Question 1: HA is a weak acid. Its ionization constant, K₁, is 1.6 x 10-13. Calculate the pH of an…

Q: What is the specific heat capacity of an 872 g sample that requires 3.18×104 J of heat to increase…

A: Given data:- Mass(m) = 872g = 0.872Kg(1kg = 1000g)Heat(q) = 3.18×104J Initial Temperature (Ti) =…

Q: Complete the balanced chemical equation for the following reaction between a weak acid and a strong…

A: Balanced chemical equation is the equation in which number of atoms on both sides of equation are…

Question

At the end of "class", I asked you to consider a triprotic acid with pka's = 2.0, 6.0 and 10.0.
What is the equilibrium constant for the reaction H3A + HA²¯ ⇒ 2H₂A? If you need to, assume
25 °C, where Kw = 10-14

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: Introduce question

VIEW

Step 2: calculate equilibrium constant

VIEW

Step 3: Write dissociation equation

VIEW

Step 4: calculate dissociation constant

VIEW

Solution

VIEW

Trending now

This is a popular solution!

Step by step

Solved in 5 steps with 3 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

Weak base B has a pKb of 6.78 and weak acid HA has a pKa of 5.12. a Which is the stronger base, B or A? b Which is the stronger acid, HA or BH+? c Consider the following reaction: B(aq)+HA(aq)BH+(aq)+A(aq) Based on the information about the acid/base strengths for the species in this reaction, is this reaction favored to proceed more to the right or more to the left? Why? d An aqueous solution is made in which the concentration of weak base B is one half the concentration of its acidic salt, BHCl, where BH+ is the conjugate weak add of B. Calculate the pH of the solution. e An aqueous solution is made in which the concentration of weak acid HA twice the concentration of the sodium salt of the weak acid, NaA. Calculate the pH of the solution. f Assume the conjugate pairs B/BH+ and HA/A are capable of being used as color-based end point indicators in acidbase titrations, where B is the base form indicator and BH is the acid form indicator, and HA is the acid form indicator and A is the base form indicator. Select the indicator pair that would be best to use in each of the following titrations: (1) Titration of a strong acid with a strong base. (i) B/BH+ (ii) HA/A (2) Titration of a weak base with a strong acid. (i) B/BH+ (ii) HA/A
HN3(aq) + H2O(l) ⇌ N3-(aq) + H3O(aq) Calculate the hydronium ion concentration and pH of a 0.045 M solution of chloroacetic acid. (Ka = 1.3 x 10-3). Chloroacetic acid is a monoprotic acid, i.e. it reacts with water in a 1:1 mole ratio.
You are on one of Saturn's many moons and discover a substance, Y2O that undergoes autoionization just like water on Earth. Y2O + Y2O ⇌ Y3O+ + OY– Through a series of experiments, you determine the equilibrium constant (Keq) for this autoionization reaction at various temperatures. The value of Keq at 28.7ºC is 7.6 x 10-14. What is the pY of the pure substance at this temperature? Report your answer to the hundreths place
Given the equilibrium reactions below and their equilibrium constants. H3O+ (aq) + A (aq) ⇒ HA(aq) + H₂O (1) Kc1 = 2.5 x 104 A™ + H₂O(1) OH- (aq) (aq) + HA(aq) 2.5 x 10-10 What is the value of Kc for the reaction 2 H₂O) H3O+ + OH (aq) (aq) 1.0 x 10¹4 6.3 x 10-6 1.0 x 10-14 none of the answers are correct Kc2 =
The equilibrium constant for the reaction between a weak acid and a weak base can be calculated from the relevant Ka, Kb and Kw using the rules for combining equilibrium constants. Find the Knet for the reaction between formic acid (HCO2H) and ammonia given the Ka (HCO2H) = 1.8 x 10⁻⁴ and Kb ammonia = 1.8 x 10⁻⁵.
COHSOH(ag) + H2On + CeHsO (aq) + H3O*(a9) Ka= 1.12 x 10-10 (a) Phenol is a weak acid that partially dissociates in water according to the equation above. Write the equilibrium-constant expression for the dissociation of the acid in water. (b) What is the pH of a 0.75 M CaHsOH(ag) solution? (C) For a certain reaction involving CaHsOH(ag) to proceed at a significant rate, the phenol must be primarily in its deprotonated form, C3H5O (eg). In order to ensure that the CsHsOH(aq) is deprotonated, the reaction must be conducted in a buffered solution. On the number scale below, circle each pH for which more than 50 percent of the phenol molecules are in the deprotonated form (CoHsO (aq). Justify your answer. 1 2 3 4 5 6 7 8 9 10 11 12 13 14 Justification: (d) CeHsOH(ag) reacts with NaOH(ag). Write a net ionic equation representing this reaction (aka: invasion equation). (e) What is the pH of the resulting solution when 30 mL of 0.40 M CSH5OH(aq) is added to 25 mL of 0.60 M NAOH. Show all work…
A 0.050 M solution of the salt NaA has a pH of 9.00. Determine the [OH] and the pH of a 0.010 M solution of the acid HA. Show your work in the question parts below. Determine the equilibrium concentration of H3O* using the acid ionization equation. Recall that [OH] = 1.0 x 10-5. Consider the ionization equation described below.. HA(aq) + H20(1) =H;O*(aq) + A (aq) 1 Based on the given information, set up the ICE table in order to determine the unknown equilibrium concentration of all reactants and products. НА(ag) H20(1) H;O*(aq) А (ag) + Initial () Change () Equilibrium () 5 RESET 0.010 0.050 +x -2х +2x -x 0.010 + x 0.010 - x 0.050 + x 0.050 - x 0.010 + 2x 0.010 - 2x 0.050 + 2x 0.050 - 2x
Refer to the following ionization of hypochlorous acid: HOCI (aq) + H₂O (1) H3O+ (aq) + OCI (aq) a. The acid-dissociation constant, Ka, for hypochlorous acid, HOCI, is 3.5 X 10-8. Calculate the equilibrium concentrations of H3O+, OCI, and HOCI if the initial concentration of HOCI is 0.125 M. b. Calculate the pH and pOH of the above solution once equilibrium is established.
Calculate the pH at 25 °C of a 0.83M solution of potassium butanoate (KC, H,CO₂). Note that butanoic acid (HC₂H,CO₂) is a weak acid with a pk of 4.82. Round your answer to 1 decimal place. pH =
5) Find the concentration of H30*(aq) in a 1.75 M solution of lactic acid, HC3H5O3, at 25°C. Ka= 1.38 x 10*. 6) Write the equilibrium expression for the ionization of HOI, and calculate the concentration of HOI(aq) in solution if [H3O*]=2.3 x 10° M and pKa = 10.7 at 25°C.
CH3NH2 is a weak base (Kb = 5.0 x 10-4 ) and so the salt CH3NH3NO3 acts as a weak acid. What is the pH of a 0.0150 M solution of CH3NH3NO3 at 25oC? You must write the reaction of hydrolysis.
Selenic acid, H2SeO4, is a diprotic acid that actually is a strong acid for the donation of its first proton and has a pKa2 = 1.7. What will be the Ka and the chemical equation for showing the donation of the second proton? (hint: products will be H3O+ and SeO42-) I take 2.00 g the pure compound and dilute it to 100.0 mL of solution. Find the initial concentration and use two ICE tables to show the equilibrium concentrations of [H3O+], [OH-], [HSeO42-] and [SeO42-]. What will be the concentration of H2SeO4? (hint: no math is necessary here as this is a strong acid).

SEE MORE QUESTIONS

Recommended textbooks for you

Principles of Modern Chemistry

Chemistry

ISBN:

9781305079113

Author:

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

Publisher:

Cengage Learning

General Chemistry - Standalone book (MindTap Cour…

Chemistry

ISBN:

9781305580343

Author:

Steven D. Gammon, Ebbing, Darrell Ebbing, Steven D., Darrell; Gammon, Darrell Ebbing; Steven D. Gammon, Darrell D.; Gammon, Ebbing; Steven D. Gammon; Darrell

Publisher:

Cengage Learning

Principles of Modern Chemistry

Chemistry

ISBN:

9781305079113

Author:

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

Publisher:

Cengage Learning

General Chemistry - Standalone book (MindTap Cour…

Chemistry

ISBN:

9781305580343

Author:

Steven D. Gammon, Ebbing, Darrell Ebbing, Steven D., Darrell; Gammon, Darrell Ebbing; Steven D. Gammon, Darrell D.; Gammon, Ebbing; Steven D. Gammon; Darrell

Publisher:

Cengage Learning

SEE MORE TEXTBOOKS