A 1.083 g sample of N-2-acetamido-2-aminoethane-sulfonic acid potassium salt (ACES K*, MW = 220.29 g/mol) is dissolved in 82.92 mL of water.To the solution, 11.64 mL of HCl is added, resulting in a pH of 6.58. Calculate the concentration of the HCl solution. The pK, of ACES is 6.85. [HCI] = M

A 1.083 g sample of N-2-acetamido-2-aminoethane-sulfonic acid potassium salt (ACES K*, MW = 220.29 g/mol) is dissolved in 82.92 mL of water.To the solution, 11.64 mL of HCl is added, resulting in a pH of 6.58. Calculate the concentration of the HCl solution. The pK, of ACES is 6.85. [HCI] = M

Fundamentals Of Analytical Chemistry

9th Edition

ISBN:9781285640686

Author:Skoog

Publisher:Skoog

Chapter15: Complex Acid/base Systems

Section: Chapter Questions

Problem 15.16QAP

See similar textbooks

Related questions

Q: The reaction C2H5Cl →C2H4 + HCl is first order in C2H5Cl. The rate constant is 1.60 x 10-6/s. In an…

Q: Naming of Alkanes, Cycloalkanes, and Alkynes 13. Write the IUPAC name for the given molecule

Q: Design three different synthesis routes to make 3-octanol, with each one including a carbon-carbon…

A: a. Reaction between acid chloride and Gilman reagent give 3-octanone. 3-octanone is reduced to…

Q: 250 200 150 100 B 50 20 40 60 80 100 120 140 160 Time (min) The diagram aboveis the cooling curve of…

A: The graph displays gradual decrease of the temperature of any system w. r. t time also depicting the…

Q: 1. K reacts with water to produce metal hydroxide and liberating hydrogen gas 2. Ca reacts with…

A: Note : As per our company guidelines we are supposed to answer only first 3 sub-parts. Kindly repost…

Q: Hydrazine, N2H4 is used as rocket fuels. The thermochemical equations for the combustion of…

A: Given reaction, N2H4 + O2→ N2 + 2H2O ∆H = -622.4 KJ 1 mole of combustion of N2H4 produces -622.4…

Q: A certain substance X has a normal freezing point of-8.4 °C and a molal freezing point depression…

Q: Proposed mechanism for a reaction is O3 + NO2 -> NO3 + O2 slow NO3 + NO2 -> N2O5…

Q: Incorrect Mechanism (The mechanism is for the formation of the 1,4 product. Please ignore the 1,2…

A: Note : 1,3-butadiene reacts with proton produces the allylic carbocation. Allylic carbocation…

Q: The van der Waals equation of state was designed (by Dutch physicist Johannes van der Waals) to…

Q: Each row of the table below describes an aqueous solution at 25 °C. The second column of the table…

Q: 1. NaOCH,CH, 2. H,O* CH,CH,OH

Q: A chemist measures the enthalpy change AH during the following reaction: Fe(s) + 2 HCl(g)→F€C1,(s) +…

Q: Sometimes in lab we collect the gas formed by a chemical reaction over water (see sketch at right).…

A: Volume of H2 gas, V = 142 mL = 0.142 L (1 L = 1000 mL) Temperature of H2 gas, T = 45.0 °C =…

Q: IF an unknown element has 10 neutrons and a quantum number sequence of 2,1,0,-1/2 identify: Z= A= e=…

A: Given that - Number of neutrons in an atom = 10 Quantum number sequence = 2,1,0,-1/2 Here 2 is…

Q: if i have 35 L of a 3.0 M Na2SO4 solution and what was my concentration when at 750 L solution ?

Q: Complete the equation for the dissociation of Fe(ClO4)3(aq). Omit water from the equation because it…

A: Write the balance chemical equations....

Q: Draw the major organic product formed in the reaction.

Q: An arctic weather balloon is filled with 44.0 L of helium gas inside a prep shed. The temperature…

A: Given: Initial volume of gas = 44.0 L Initial temperature of gas = 10.0oC Final temperature of gas =…

Q: Calculate AG° for the reaction of iron(lII) oxide with carbon monoxide to give elemental iron and…

A: Iron III oxide reacts with carbon monoxide to give elemental iron and carbon dioxide.We have to…

Q: The system, 2 Hy0(g) + 2 C(g) –> 4 HClg) + O2lg). has a value of 8.00 bar for Kp. Initially, the…

Q: 45 The natural catalyst of the organisms is called? Select one: a. Inhibitor b. Poison c. Enzymes…

A: Enzymes are chiral compounds. Enzymes can act as catalyst in the organisms. Enzymes do the one FG to…

Q: It is the time required for half of the reactant to react is known as? Select one: a. time constant…

A: Half time means half of the reactants converted in to product

Q: Question 6 At STP a sample of gas with a mass of 23.9 grams occupies 14.7 L. What is the molar mass…

A: Given-> At STP - T =273 K P = 1 atm Weight = 23.9 gm Volume = 14.7 L

Q: A 1.00 mol sample of N2 is held in a 245.0 mL balloon at 58.80 atm. What temperature (in Celcius) is…

A: Ideal gas equation: The temperature, pressure, volume, and mole of the gas are related by the ideal…

Q: CN H,O* BrMg 3 H-CO-N(CH3)2 (TM) H-CO,H Cl (Leuckart Reaction) Scheme-1

A: The mechanism of the following is as follows:

Q: A 65.0-mL sample of 0.00200 M AgNO3 is added to 65.0 mL of 0.0100 M NAIO3. What is the equilibrium…

A: AgIO3 is a sparingly soluble salt , when it is dissolved in water equilibrium is formed AgIO3…

Q: The cell potential of the following cell is determined using an unspecified concentration of acid.…

Q: The combustion of octane, C, H, proceeds according to the reaetion shown. 18 2 C,H18() + 25 O,(g) →…

Q: Show the two (neutral) organic starting materials that would be used to synthesize the compound…

A: Note : Robinson annulation : Michael addition followed by intramolecular aldol condensation.

Q: f 25 If 53.5 mol of an ideal gas is at 2.25 atm at 41.20 °C, what is the volume of the gas?

A: Given - - > n = 53.5 mol P = 2.25 atm V =? T = 41.20 °C = (41.20 + 273.15)K = 314.35 K

Q: bon #1 and #2. Let the carbon #1 containing the methyl group to front while carbon #2 containing the…

Q: The rate constant of a first order reaction is 4.60 x 10 ^-4 s^-1 at 350C . If the activation energy…

A: we need to find the value of temperature when rate constant is 8.80 x 10^-4 s^-1.

Q: The substance argon has the following properties: normal melting point: 83.9 K normal boiling point:…

Q: The specific heat of nickel is 0.444 J/g 0C. If 50 J of heat is added to 32.3 g sample of nickel at…

A: Given data The specific heat of nickel, csp = 0.444 J/g 0C. The amount of heat added, q = 50 J…

Q: For the given reaction, the rate constant,k is 2 x 10-5 at 650K and the energy of activation is Ea…

Q: Proposed mechanism for a reaction is O3 + NO2 ------------> NO3 + O2 slow NO3 + NO2…

Q: For the given reaction, the rate constant,k is 2 x 10-5 at 650K and the energy of activation is Ea…

Q: The new pressure of a gas when it expands to 1.25L when originally 235 5.34atm. Gas Law: Solve for…

A: Dear student, since you have asked multiple questions but according to guidelines we will solve 1st…

Q: The thermal decomposition of phosphine into phosphorus and molecular hydrogen is a first order…

Q: 9) The following results were obtained in the determination of Vitamin E mass in tablet samples.…

Q: How many equivalents of PO43 are there in 6.00 mol of Mg3(PO4)2 ?

Q: One mole of gas expands isothermically to double its volume. If the gas temperature is 340 K, what…

Q: alculate to three significant digits the density of carbon dioxide gas at exactly 30 °C and exactly…

A: Ideal gas equation is:- PV = nRT Where P = pressure = 1 atm T = temperature = 30° C = 303 k V =…

Q: The rate constant of a certain reaction is known to obey the Arhenius equation, and to have an…

A: Arrhenius equation

Q: How many grams of Kr are in a 4.32 L cylinder at 21.9 °C and 3.33 atm?

A: Ideal gas equation: The temperature, pressure, volume, and mole of the gas are related by the ideal…

Q: Step 1: add curved arrows. Step 2: complete the structure and add curved arrows. Select Draw Rings…

A: Given reaction is decarboxylation reaction

Q: de gas is collected at -7.0 °C in an evacuated flask with a measured volume of 50.0 L. When all the…

A: Answer: temperature (T) = -70C = 273-7 = 266K Volume(V)= 50 L Pressure (P)= 0.37atm R (gas…

Q: 4. Fe reacts with steam at high temperature, forming hydrogen and metal oxide 5. F reacts violently…

Q: It is a type of reaction for which the sum of the exponents of the concentration terms in the rate…

A: sum of the exponents of the concentration terms in the rate equation is equal to 1

Question

A 1.083 g sample of N-2-acetamido-2-aminoethane-sulfonic acid potassium salt (ACES¯K†, MW = 220.29 g/mol) is dissolved
in 82.92 mL of water.To the solution, 11.64 mL of HCl is added, resulting in a pH of 6.58. Calculate the concentration of the
HCl solution. The pKą of ACES is 6.85.
[HCI] =
M

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 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

1. The ionization constant (Kb) of trimethylamine ((CH)3)3N) is 7.40 x 10–5. If 5.911 grams of trimethylamine is dissolved in 50.0 mL of water, what are the equilibrium concentration of all species present? 2. A buildup of a certain monoprotic acid in the muscle tissues can cause pain during extreme physical activities. A 0.0288 M solution of this acid is found to have a pH of 2.345. Based on the table below, what most likely is the identity of this unknown acid?
According to the Henderson–Hasselbalch equation, when the pH of a solution of histidine is 1.85, what is the ratio of the carboxylic acid form of the molecule to its conjugate base (the carboxylate form)? [For practice, either use Marvin Sketch or a piece of paper to draw the acid and conjugate base.] 1 or 4?
At 25°C, the Ka of pentafluorobenzoic acid (C6F5COOH) is 0.033. Suppose 0.100 mol of pentafluorobenzoic acid is dissolved in 1.00 L of water. What is the pH of this solution?
The simplest amino acid is glycine ( molar mass = 75.1 g/mol), whose structure is shown above. An aqueous solution of glycine is prepared by dissolving 0.329 g in 150 mL of water at a temperature of 25 C. The resulting solution has a pH of 2.02. Calculate the molarity of the solution. Calculate the percent ionization of this solution of glycine. Calculate the Ka for glycine. Glycine is water soluble. On a structural formula like the one above, draw one water molecule that shows how glycine and water can form hydrogen bonds with each other.
a) If the pH value of an aqueous solution of trimethylamine [(CH3)3N] is 10.75, what should be the molarity of this solution? (CH3)3N + H2O ↔ (CH3)3NH+ + OH-, Kb = 6,3 × 10-5 b) What will be the pH of the solution prepared by dissolving 8.35 g of aniline hydrochloride (C6H5NH3+Cl-) in 750 mL of 0.215 M aniline (C6H5NH2)? Is this solution an effective buffer? Explain (Kb = 7,4 × 10-10 for aniline, C: 12.0 g / mol, H: 1.0 g / mol, N: 14.0 g / mol, Cl: 35.4 g / mol) .
Please calculate the pKa of hydrofluoric acid given that HF(aq) and hydrogen cyanide (HCN). HF(aq): -273.30 Δ H^0 f kJ mol^-1 HCN (aq): 107.1 ΔH^0 f kJ mol^-1 119.7 ΔG^0 f kJ mol^-1 (a) pKa of hydrofluoric acid and hydrogen cyanide (HCN)? (b) What would be the pH of a solution containing 5 mM HF? (c) What would be the pH of a solution containing 5 mM HCN?
Determine the pKa of an acid; a 4e-3M solution of which has a pH of 2.4
A 0.119 M solution of Covidenol, a weak acid, has a measured pH of 3.45. Determine the pKa of Covidenol.
3. Calculate the pH of the 0.02M 2-aminophenol ampholyte considering that 2-aminophenol has pka1 = 4.78, pKa2 = 9.97.Calculate the concentrations of all species in solution. 4. If you have 25 mL of the 2-aminophenol base and titrate with 0.015M perchloric acid and the volume at the first equivalence point is 10.9 mL. Calculate the reaction constant, and the concentration of the base in the system.
The structure of benzene-1,2,3-tricarboxylic acid (pKa1 =2.88, pKa2 4.76, pKa3 = 7.13) can be seen on the right. What is the predominate form of benzene-1,2,3-tricarboxylic acid in a solution that has a pH of 6.0?
Calculate the pH and the percentage of ionization of 30 grams of sodium glycolate (C2H3O3Na) in 20 mL of a 0.01 M HCl solution. (Ka= 1.47x10^-4; molecular weight of C2H3O3Na: 98.04 g/mol)
Phenylacetic acid (C6H5CH2COOH, simplified here to HPAc is a monoprotic acid. It builds up in the blood of persons with phenylketonuria, that if untreated, causes mental retardation and death. A study of the acid shows that the pH of 0.120 M HPAc is 2.62. What are (a) the Ka and (b) pKa of phenylacetic acid?