Answered: What is the [HA] (in mol L-1) of a…

What is the [HA] (in mol L-1) of a solution containing 1.074 mol L-1 of a diprotic acid with pKA1 = 3.29 and pKA2 = 9.5 ? %3D %3D H2A + H20 = H3Ot + HA pkA1 HA + H20 = H30+ + A2- pka2 Answer:

Fundamentals Of Analytical Chemistry

9th Edition

ISBN:9781285640686

Author:Skoog

Publisher:Skoog

Chapter15: Complex Acid/base Systems

Section: Chapter Questions

Problem 15.27QAP

See similar textbooks

Related questions

Q: Ive the following differential equations: а. dx2 - 4y = 0 y(0) = 2 (at x = 0) = 4 b. dx2 5 + 6y = 0 ...

A: Energy of proton = 100eV Energy of electron = 100eV

Q: Name the highlighted chemical group in each molecule. Lewis structure name of highlighted group H H ...

Q: f) d) HC HC CH3 CH3 CH HC

A: IUPAC name of given compounds are as follows

Q: Acetylene (C,H,) gas and oxygen (0,) gas react to form carbon dioxide (CO,) gas and water (H,O) vapo...

Q: 2. After a long winter quarter, you win the lottery and use your winnings to buy a tropical island i...

A: Final carbon content = 10-13% Initial carbon content = 10-10% Half life = 5745 years We have to cal...

Q: What metabolic reaction is illustrated by the image below? * СООН COOH -OCOCH3 CH,COOH -он + Ester h...

A: Note : Since you have posted multiple questions, we are entitled to answer the first only. Please re...

Q: Alcoholic beverages are solutions. Typically, a beer contains about 4.50% (v/v) of ethanol fermented...

A: 4.50 mL ethanol present in 100 mL beer and 2.4 mL ethanol present in 100 mL soju. The density of eth...

Q: to produce gaseon

Q: Given the following plot for the decomposition of N2O5, calculate the frequency factor (A):

A: we are required to find the frequency factor (A) from the plot of ln K vs 1T for decomposition of N...

Q: Explain how the signal is modulated in fluoresence

Q: methyl group.

Q: Vine goes bad soon after opening because the ethanol (CH3CH,OH) in it reacts with oxygen gas (02) fr...

A: Given : Mass of oxygen = 5.65 g Mass of ethanol consumed = ? The given reaction is shown below : CH3...

Q: Hydrocarbons, compounds containing only carbon and hydrogen, are important in fuels. The heat of com...

A: Chemical balanced equation C3H6 + 92O2 (g) →3CO2 (g) + 3 H2O (l) Heat of combustion of C3H6 = 499.8 ...

Q: Kristen places 1.39 ml of nitrogen gas at -38.5 °C into an insulated adjustable flask. 2 hours later...

Q: What is the calibration correction of a 10-mL pipet that delivers 9.9300 g of H2O at 19.0°C which is...

A: A numerical problem based on dimensional analysis that is to be accomplished.

Q: the IR spectrum

A: According to above spectra we have to determine the spectrum and know about the mentioned compound.

Q: With the help of the Lewis structure of XeF4, answer to the following questions. i) Calculate the fo...

Q: f mononitration o

A: Since you have asked multiparts, we will solve the first three subparts for you. If you want any spe...

Q: try [Roferences] Use the References to access important values if needed for this question. Arrange ...

A: entropy is the amount of disorder in a system First consider the phase of each compound. Entropy inc...

Q: 4. (i) Identify the different enthalpy changes and construct the Born-Haber cycle for the formation ...

Q: dentify the oxidizing and reducing agents: Cl2 + 2NaBr - 2NACI + Brz Derive, Pu= dRT from ideal gas ...

A: Reaction:- Cl2 + 2NaBr ----------> 2NaCl + Br2 Oxidation is loss of electrons while reduction i...

Q: 5. What is the equilibrium constant expression for the reaction below? C(s) + CO2(g) + 2C12(g) 2 2CO...

Q: what is the molecular, ionic and net ionic equation of sodium nitrate and sulfuric acid

Q: Calculate the pH of a 0.10 M HCOOH solution. Ka if HCOOH is 1.8x10-4 a. 5.78 b. 2.38 c. 5.42 d. 3...

Q: Calculate the pH of an 0.025 M solution of NH3. NH3 is a weak base. Kb = 1.80 x 10-5

Q: Which would likely increase the rate of a chemical reaction? A. Cooling the reaction mixture. B. Dec...

Q: Ammonia (NH3) chemically reacts with oxygen gas (02) to produce nitric oxide (NO) and water (H,0). W...

A: The balanced chemical equation for the reaction of Ammonia ( NH3 ) and Oxygen gas ( O2 ) is, 4 N...

Q: ים it HO. H. CHS CH3 DH QH 나. OH CH3

Q: Which of the following is an example of a nonspontaneous process? O Ammonium nitrate dissolving in w...

A: Ammonium nitrate dissolving in water Answer : it is a spontaneous process, dissolution is spontaneo...

Q: What is the volume (liters) of 23.5 g of I2 at STP?

Q: 50.00 mL of a water sample is diluted with 150.00mL deionized water. The diluted sample has a lead c...

A: this is an example of dilution law we are required to find the lead content (in ppb) of the original...

Q: e pH of

Q: Kristen places 1.39 ml of nitrogen gas at -38.5 °C into an insulated, adjustable flask. 2 hours late...

Q: Use the systematic treatment to get the concentrations of all the species in a solution of: a.) 0.35...

Q: Suppose a 500. mL flask is filled with 0.40 mol of NO, and 1.0 mol of NO. This reaction becomes poss...

A: Moles of NO2 initially = 0.4mol Moles of NO initially = 1mol Volume of flask = 500ml We have been as...

Q: Lewis structure name of highlighted group H H н— о С — С — н H H H : 0— С — н | H :0-H H :0: H -C. N...

Q: compute the theoretical yield Actual yield: 2.50g weight : 1.80g

A: The theoretical yield can be calculated by the ratio between the actual yield to the theoretical yie...

Q: In the figure here, a ball is thrown up onto a roof, landing 4.90 s later at height h = 18.0 m above...

Q: Calculate the mole fraction of C2H50H in a solution that contains 46 grams of ethanol, C2H50H, and 6...

Q: Answer the following questions about activating and deactivating groups. Give specific examples. 1....

A: As per the company guidelines, we are authorised to solve only one question at a time. Please post r...

Q: Gaseous ethane (CH,CH) reacts with gaseous oxygen gas (0,) to produce gaseous carbon dioxide (Co.) a...

Q: Write the formula of the conjugate base of the Brønsted-Lowry acid, HBrO₂

A: Formula of the conjugate base of the Brønsted-Lowry acid, HBrO₂ ?

Q: A major component of gasoline is octane (C,H8). When octane is burned in air, it chemically reacts w...

Q: Draw the Lewis structure of the missing reactant. Make sure to include lone pairs and non-zero forma...

Q: What is the number of moles in Serotonin if the mass in grams is 21.29

A: Given, mass of serotonin= 21.29 g molar mass of serotonin =176.215 g mol-1 moles of serotonin = ?

Q: Can you please answer some

A: Problem 1 :- Write the IUPAC Name for the given compounds .,

Q: 1. Identify (draw the structure) of the missing reactant, reagent, or major product required to comp...

A: Answer of the question given below,

Q: A student heats 61.27 grams of silver to 97.71 °C and then drops it into a cup containing 82.16 gram...

Q: What is the pH at which a buffer composed of CO32- and HCO; would be most effective at resisting pH ...

A: We would use Henderson-Hassalbalch equation to determine the value of pH .

Q: Answer Question 6 When temperature heightens, CH3NC isomerizes to CH3CN. At the start of an experime...

A: Since you have asked multiple question, as per our company guidelines we are supposed to answer the ...

Concept explainers

Acid Base Titration

An acid-base titration is the method of quantitative analysis for determining the concentration of an acid and base by exactly neutralizing it with a standard solution of base or acid having known concentration.

Question

What is the [HA] (in mol L-1) of a solution containing 1.074 mol L-1 of a diprotic acid with pKA1 = 3.29 and pKA2 = 9.5 ?
H2A + H2O = H30t + HA pkA1
HA + H20 = H3O+ + A2- pka2
Answer:

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

Step 3

VIEW

Trending now

This is a popular solution!

Step by step

Solved in 3 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

Explain why a sample of pure water at 40 C is neutral even though [H3O+]=1.7107M . Kw is 2.91014 at 40 C.
Calculate [H3 O] of the polyprotic acid solution: .0145 M H3 C6 H5 O7. Ka1 (H3C6H5O7)= 7.4*10-4 Ka2 (H3C6H5O7)= 1.7*10-5
Which of the following statements is true about a solution of ammonium acetate, NH4C2H3O2? [Ka(NH4+) = 5.56 x 10-10; Ka(HC2H3O2) = 1.8 x 10-5].
What is the pH of a solution prepared by mixing 200 mL of 0 6 M acetic acid (K, 18-10%) with 4 ml. of 10 M NaOH? Report your answer to two decimal places IVE ΑΣΦΑ 4.32 Submit Previous Answers Request Answer ? Incorrect; Try Again; 4 attempts remaining Part B What is the pht of a solution prepared by mising 200 ml of 0.6 M acetic acid (K,-10-10%) with 15 ml. of the 1.0 M NaOtt in PartA? Report your answer to two decimal places ΟΙ ΑΣΦ 0.086 9 ? Submit Previous Anwes Beavest Answer X Incorrect: Try Again: 5 attempts remaining
Phosphoric acid, H3PO4, is a triprotic acid, for which Ka1 = 7.2 × 10-3, Ka2 = 6.3 × 10-8 and Ka3 = 4.2 × 10-13. What is the value of Kb for H2PO4- ?
What is the fraction of association for each potassium propionate solution? The Ka of propanoic acid is 1.34 * 10^-5. 5.00 * 10^-12 M K(C2H5COO2)
10:59 AM Wed Jul 5 Question 15 of 15 1 4 What is the pH of a NaOH solution that has a H* concentration of 8.5 x 10-¹² M at 25 °C? 2 3 5 (C 96% XC Submit
Which solution has the highest concentration of H3O+: a 0.50 M solution of acetic acid (CH3CO2H),or a0.50 Msolution offormic acid (HCO2H)? Ka of acetic acid is 1.8× 10−5 and Ka of formic acid is 1.8×10−4. Same Acetic acid Formic acid
MED PH +POH 1 = -log₁ PH+ Por pk 55. Of the following salts, which one forms a solution with the highest pH? A) KCI B) NH4Cl C) NaBr D) KCN ад, Гонт = 1/ A) HA (aq) + H₂O (1) B) A (aq) + H3O+ (aq) C) HA (aq) + OH- (aq) D) A (aq) + OH- (aq) (E)) A (aq) + H₂O (1) 56. HA is a weak acid. Which equilibrium corresponds to the equilibrium constant K for A? E) Ca(NO3)2 H₂A+ (aq) + OH(aq) HA (aq) + H₂O (1) H₂O (1) + H+ (aq) HOA²- (aq) HA (aq) + OH (aq) A) 3870 B) 9.88 C) 12.28 D) 6.16 E) 7.21 57. Why does the rate of a gas-phase reaction increase when the temperature of the system is increased? A) Increasing the temperature makes the molecules move faster, which results in more molecular collisions. B) Increasing the temperature gives the molecules more energy, so more reactant molecules have enough energy to react together. C) Increasing the temperature makes the volume increase, which provides more space for the product molecules to occupy. (D) Statements A and B are correct. 58. What is the…
What is the [HPO4-2] of a solution labeled "0.10 M Phosphoric Acid"?[Ka1 = 7.1 × 10-3; Ka2 = 6.3 × 10-8; Ka3 = 4.2 × 10-13]
Hello. the answer you provided previously didnt look at the 5% rule. x wouldnt be neglected due to the 5% rule right? so if x wasnt neglected how do i calculate the [H+]? Calculate [H+] for a 9.00×10-4 M aqueous solution of cinnamic acid (HC9H7O2; Ka = 3.70×10-5).
What is the [(CH3)2NH2+] of a solution which is 0.1678 M in (CH3)2NH and 0.1406 M in CsOH? (CH3)2NH(aq) + H2O(l) → (CH3)2NH2+(aq) + OH−(aq) Kb = 5.400e-4