Answered: Calculate the pH and the equilibrium…

Calculate the pH and the equilibrium concentration of C6H6O62- in a 6.39×10-2 M ascorbic acid solution, H2C6H6O6 (aq). For H2C6H6O6, Ka1 = 7.9×10-5 and Ka2 = 1.6×10-12 pH = [C6H6O62-]

Chemistry: Principles and Reactions

8th Edition

ISBN:9781305079373

Author:William L. Masterton, Cecile N. Hurley

Publisher:William L. Masterton, Cecile N. Hurley

Chapter22: Organic Chemistry

Section: Chapter Questions

Problem 60QAP: Write an equation for the reaction of chloroacetic acid (Ka=1.5103) with trimethylamine (Kb=5.9105)...

See similar textbooks

Related questions

Q: From each pair below (attached image), select the molecule that will display stronger intermolecular...

A: The pairs given are,

Q: Suppose you have poured a cup of blue raspberry drink over ice in cup and let it sit to cool. Do you...

A: Given: You have poured a cup of blue raspberry drink over ice in cup and let it sit to cool.

Q: Calculate the change in entropy associated with the Haber process to produce ammonia from nitrogen a...

A: Given,the reaction is. N2(g) + 3H2(g) <--------> 2NH3 We have to calculate change in entropy.

Q: 3. The following questions are based on the polypeptide chain below. a) How many amino acids are the...

A: Amino acid are special biomolecules which have basic amine and acidic carboxylic group present Here ...

Q: Calculate the pH of an aqueous solution that contains 0.349 M sodium carbonate and 0.268 M sodium hy...

A: Given: [Na2CO3] =0.349 M [NaHCO3]=0.268 M To calculate : pH of solution.

Q: Note: I need a simple explanation for this lesson for my presentation. Thank you!

A: Polymers are composed of many small repeating units (monomer) joined together. Polymers having hig...

Q: Injecting an arterial fluid which is hypertonic to the moisture level of the body will ___. ad...

A: Hypertonic solution is one whose concentration of solute is more compared to another solution. so it...

Q: What is the [Na2CO3] needed to mix with 0.2500 M H2CO3 to prepare 1.000 L of a carbonate buffer wit...

A: Here we have given 0.2500 M of H2CO3 to prepare 1 L of a carbonate buffer solution with the desired ...

Q: Enolate Chemistry PS 2: Aldol Reactions B H. D Ph. H. Ph. H.

Q: Find the molarity of 186.55 g of sucrose, C 12 H 22 O 11 (molar mass = 342 g/mol) in 250 mL of water...

A: Given: Mass of C12H22O11 = 186.55 g. And volume of solution = 250 mL = 0.250 L ...

Q: Given the following information: hydrocyanic acid HCN Ka = 4.0×10-10 diethylamine (C2H5)2NH Kb = 6....

A: Acid and base react with each other to form salt and water . This reaction is known as neutralisatio...

Q: During inhalation, a person's diaphragm and intercostal muscles contract, expanding the chest cavity...

Q: A chemist designs a galvanic cell that uses these two half-reactions: half-reaction standard reducti...

A: A reaction is spontaneous when the cell potential is positive. Reduction takes place at cathode and ...

Q: A possible set'of quantum numbers for an electron in the partially filled subshell in a potassium at...

A: Quantum numbers are the set of numbers which describe energy and position of electrons in atoms .

Q: Nah (base) DM SO, r.t. CO2 Et Hy ot cme : Dieckmann uychization

Q: Calculate AS°xn for the following reaction. The S° for each species is shown below the reaction. N2H...

Q: Cd(s) + MgBr2(aq) →

A: This is single displacement reaction . Reaction in which one atom replace by another atom

Q: Problem #1: An electrochemical cell contains Fe3+ and is measured against a Ag/AgCl reference electr...

A: Given : Ecell = 0.703 V Since Ag/AgCl is reference electrode and present in standard condition so ...

Q: Equation 1) HSO4 + H2O = SO.2 + H30* Conjugate acid Bronsted acid 2) N2H4 + H20 = N2HS + OH 3) [Fe(H...

Q: g. phosgene + HCI но HO,

Q: For each of the following substances, identify whether the substance is classified as an Arrhenius a...

Q: of polymers that is being analysed is the glass transition temperature. The glass tra ture (Tg) is t...

Q: 8

Q: Balance the following redox reaction in acidic solution. NO(g)+Br,(1) → NO,(aq)+Br (aq) NO(g) + Br, ...

Q: Entrop, enthalphy, and gibs free energy values are given below. Use the necessary values to find the...

Q: A solution of 25.0 mL 0.200 M CH3COOH solution is titrated with 0.200 M KOH solution. a. Calculate t...

Q: Consider the rate law: Rate = k [A]2[B][C]1/2. How does the rate of the reaction change if the conce...

Q: onsider the following system at equilibrium where AH° = -87.9 k), and Cl3(g) + Cl2(g) =PCI5(g) the V...

Q: Provide the reaction mechanism.

Q: An aqueous solution of nickel(II) bromide, NiBr2, is made by dissolving 11.2 grams of nickel(II) bro...

A: Given-> Weight of nickel(2)bromide = 11.2 gm Volume = 250 ml

Q: Give an appropriate name for the following structures: H HC, CI HC Br CH HC -CH3 6) Br CH,Br CH H Br...

A: The solutions are given below -

Q: A gas mixture, that has been formulated to simulate the atmosphere of another planet, contains: 320 ...

A: The atmosphere of another planet contains 320 mg methane, 175 mg argon and 225 mg nitrogen. The part...

Q: The equilibrium constant, K, for the following reaction is 1.20x10-2 at 500 K. PCI5(g) PCI3(g) + Cl2...

A: Kc is the ratio of product of concentration of products raised to their stoichiometric coefficient ...

Q: CARBONYL CHOMISTRY - NUCLEO PHHL IC d- SUBSTITUTION NaocHy octy •octly 3) reflux Clue : Naoctty ects...

A: The reaction is a classic example of Favorskii rearrangement. It is a rearrangement of alpha-halo k...

Q: Part A The surface area of an object to be gold plated is 49.9 cm? and the density of gold is 19.3 g...

A: Given, Surface area of gold, A = 49.9 cm2 Density of gold = 19.3 g.cm-3 Current(I) = 3.35 A Thic...

Q: Wind Mechanical Sun 1. 2. Geothermal 3 Fossil fuels 4. 5. Plants us ed as a food 6.

A: Given : We have to write forms of energies for the given sources.

Q: Draw Lewis structures for reactants and products. Estimate the enthalpy change (AHxn) for the reacti...

A: Here we have to determine the enthalpy change ( ∆Hrxn) of reactions of the given reactions by using ...

Q: cch the hyd of the helic

A: The amino acids can be classified based on the polarity of the side chains to form a scale called th...

Q: What is the volume of a 189.5g sample of NO2if the pressure is 1.127atm and the temperature of the s...

Q: Q2: OH OH Br Prepare CH;CH,CH-CHCH3 starting from CH;CH,CH-CH2CH3 And any other needed reagents.

A: We have to prepare given diol from alkyl halide.

Q: Using activities, calculate the pH of a solution containing 0.015 M HCI, 0.036 M HCI and 0.050 M NaN...

Q: Consider the reaction 2 S(g) + 3 O2(g) → 2 SO3(g). Using the standard enthalpies of formation listed...

A: Here we have to determine the average bond energy of S=O . For this we have to determine enthalpy o...

Q: What quantity in moles of precipitate will be formed when 100.0 mL of 2.00 M NaCl is reacted with 72...

Q: Phentermine was approved for sale in the United States in 2012 by the FDA. It is a psychostimulant d...

A: Intermediate 1 is known as diazonium salt...

Q: Determine the concentration (M) of H3O+ in a 0.411 M solution of a triprotic weak acid, H3A, given t...

A: Given, The concentration (M) of H3O+ in a 0.411 M solution of a triprotic weak acid, H3A, the acid ...

Q: Ethanol can be created by reacting hydrogen gas, carbon, and oxygen together. Using the following th...

A: The reactions given are,

Q: 2. Br HCI, H,O 1. Cl, NaOH, H,0 2. H. H,0 1. P. Br 2. H,0 он 3. CH,NH, 1. LDA EIONA (2 equiv.) 1-bro...

A: o LDA is a bulky base that abstracts proton from the less hindered site o Under haloform reaction co...

Q: Initially, 0.760 mol of A is present in a 2.00 L solution. 2 A(aq) = 2 B(aq) + C(aq) At equilibrium,...

Q: Use two different colors to record your observations from the known and the

Q: Given that the rate constant for a reaction is 5 ×1010 at 25 °C, what is its rate constant at 37 °C?...

Question

Calculate the pH and the equilibrium concentration of C₆H₆O₆^2- in a 6.39×10^-2 M ascorbic acid solution, H₂C₆H₆O₆ (aq).

For H₂C₆H₆O₆, K_a1 = 7.9×10^-5 and K_a2 = 1.6×10^-12

pH =
[C₆H₆O₆^2-]

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 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

(b) Calculate the pH of 0.0005 mol dm-3 ethanoic acid when its pKa = 4.75 and explain the assumptions made in the calculations CH3COOH(aq)  CH3COO-(aq) + H+(aq) Ka = pH =
Calculate the pH and the equilibrium concentrations of HC6H606 and C6H606²- in a 0.1550 M ascorbic acid solution, H₂C6H606 (aq). For H₂C6H606, Ka1 = 7.9x10-5 and Ka2 = 1.6x10-12 pH = [HC6H606] = [C6H606²-] = M M
Ascorbic acid, H₂C6H6O6, is a diprotic acid usually known as vitamin C. For this acid, pk1 is 4.10 and pKa2 is 11.79. When 125 mL of a solution of ascorbic acid was evaporated to dryness, the residue of pure ascorbic acid had a mass of 3.30 g. Calculate the molar concentration of ascorbic acid in the solution before it was evaporated. i What was the pH of the ascorbic acid solution before it was evaporated? pH = i What was the concentration of the ascorbate ion, C6H6062, before the solution was evaporated? i M M
PAP Chemistry-2903012-42100P-1/ Le Chatelier's Principle/ Lesson 128 2. Zinc (Zn) granules react slowly with dilute hydrochloric acid (HCI), but much faster if the acid is concentrated. Zn(s) 2HCI(aq)ZnCl2(aq) + H2(g) Zinc + Hydrochloric Acid Zinc Chloride + Hydrogen What causes the reaction to proceed faster with concentrated acid? The concentrated hydrochloric acid causes more hydrogen gas to be produced. The pressure of hydrogen gas molecules increases as concentration increases. The concentrated hydrochloric acid molecules move faster than in dilute acid. There are more collisions between the zinc and concentrated hydrochloric acid. PREVIOU
A weak acid, HA, has a pKa = 6.2. If a solution of NaA(aq) is prepared, what does the pH of the solution need to be adjusted to in order to achieve the following ratios of deprotonated to protonated species? 1) [A-] / [HA] = 0.01 2) [A-] / [HA] = 10 3) [A-] / [HA] = 1 4) [A-] / [HA] = 106 Note: NaA is the sodium salt of , the conjugate base of HA. Assume NaA completely dissociates in water.
A solution of tyrosine is made by dissolving 0.005 mole of tyrosine in 1.0 L of 0.1 M NaOH solution. Draw the structure of the principal chemical form of tyrosine found in this solution at equilibrium given the data below. NH2 pKa (CO2H) = 2.41 pKa (NH2) = 8.67 pka (OH) = 11.01 CHCH2 OH CO2H
(b) Calculate the pH of 0.0005 mol dm³ ethanoic acid when its pK₂=4.75 and explain the assumptions made in the calculations CH3COOH(ag) Ka = pH = CH3COO (ag) + H+ (₂ (ag)
Write the expression for the equilibrium constant Kc for the following equation. 2Na2CO3(s) + 2SO2(g) + O2(g) ↔ 2Fe(s) + 2Na2SO4(s) + 2CO2(g)
What is the equilibrium constant for the following reaction that occurs when disodium citrate(Na2HC6H5O7) dissolves in water at 25ºC? The acid dissociation constants for citric acid, H3C6H5O7 , are:Ka1 = 7.4 × 10–4 , Ka2 =1.7 × 10–5 , and Ka3 = 4.0 × 10–7 . HC6H5O72– (aq) + H2O(l) ⇌ H2C6H5O7– (aq) + OH– (aq)
Explain the effect of the pH on the protonation of the functional groups present in ascorbic acid (C6H8O6) and citric acid (C6H8O7).
Which of the following is correct concerning the base ionization constant, Kp, of dimethylamine, (CH3)2NH? [(CH3),NH;][OH ] [(CH3),NH][H2O] O If more (CH3)2NH is dissolved into water, the pH of the solution will remain the same. If more (CH3)2NH is dissolved into water, then Kp will increase. [(CH3),NH;][OH [(CH3),NH] K
Which reaction is not encountered ?in the industrial production of HF A- CaF2(s) + H2SO4(1) →2HF(g) + (CaSO4(s B-CaCO3(s) + H2SO4(aq) → (CaSO4(s) + H2O(1) + CO2(g C- CaF2(s) + HNO3(1) →2HF(g) + (Ca(NO3) 2(aq D- 3NAF (s) + Al(OH)3°(aq) (→AIF3(aq) + 3NaOH(aq E- CaCO3(s) + HCI (aq) → CaCl2(aq) (+ H2O(1) + CaCl2(aq A, C and D O C,D and E O B, C and D O A, B and D O A, D and E O