Answered: table below contains the pKa values of…

Science

Chemistry

table below contains the pKa values of four weak acids. Which acid is the weakest?

Chemistry & Chemical Reactivity

9th Edition

ISBN:9781133949640

Author:John C. Kotz, Paul M. Treichel, John Townsend, David Treichel

Publisher:John C. Kotz, Paul M. Treichel, John Townsend, David Treichel

Chapter16: Principles Of Chemical Reactivity: The Chemistry Of Acids And Bases

Section16.3: Equilibrium Constants For Acids And Bases

Problem 5RC

See similar textbooks

Related questions

Q: Given the following pKa values, which is the strongest base of those listed in the answers? HNO2…

A: The thumb rule to determine the basic strength is that “the weaker the acid, stronger will be its…

Q: Which of the following acids has the lowest pka? A CH3 B THO. Br D HO, HO,

Q: pKa

A: According to the question, we need to determine the conjugate acid of the molecule and then…

Q: 1. Which of the following should have the lowest pKa ? Which has the second lowest pKa а. ВН, b.…

A: More acidic the compound, higher is its Ka value and lower is its pKa value. The acid dissociation…

Q: At what pH will the concentration of a compound with a pKa = 3.7 be 1000 times greater in its acidic…

A: The answer to both the questions are given as:

Q: The pKa of a particular weak acid is 4.81. What is the pH of the weak acid solution when exactly…

A: When half of the acid has been neutralised, that means the concentration of acid remaining will be…

Q: Assuming that base (B:) and acid (AH) are mixed in equal concentrations and using pKa values of acid…

A: Let the initial concentrations of base and AH be 1 M each. The pKa of AH is 3.5 and the pKa of BH+…

Q: Which solution has the higher pH? * O A 0.1 M solution of an acid with Ka = 1 x 10^-4 O A 0.1 M…

A: The relationship between Ph and Pka is greater the value of PKa greater is the…

Q: Lysine is a triprotic acid (Ka1 = 6.61 × 10-3, Ką2 = 1.12 × 10-°, and Ka3 2.95 x 10-11) that can…

A: Amino acids are the molecules in organic group which contains two functional group that is amine…

Q: Calculate the pH and % ionization for the following a. 0.10 M CH3NH2; pKa = 10.657 b. 0.02 M…

Q: ow does the pKa of an acid change as very electronegative atoms (such as Cl) are added to the acid…

Q: The pKa values of 4 acids are given below. Acid HA1 HA2 HA3…

A: More is the value of pKa weaker is the acid and higher is its pH and vice versa. Weaker is the base…

Q: Knowing the approximate pKa values above will help in answering this question. 3. pH = 3.0 Which…

A: pKa value is more less acidic nature. In generally anion less pKa value that means basic nature.…

Q: Interconverting Ka and pKa-

A: The term pKa is nothing but the negative logarithm of the acid dissociation constant (Ka), taken to…

Q: Which of the following salts are acidic? Sr(NO3)2 Na2SO3 RbBr…

A: The salt formed from strong acid and weak base are referred to as the acidic salts. a) Sr(NO3)2…

Q: 13. The pka of an acid is 2.35. What is the acid-dissociation constant of the acid? O 4.5 x 10- O…

A: We can solve the Given problem by recalling the following equation Pka = -logka Where ka =…

Q: Calculate the pH of a 0.365 M solution of ethylenediamine (H,NCH,CH,NH,). The pKa values for the…

Q: What is the pH of a solution made by adding 5.0 mL of 0.80 M NaOH to a 10.0 mL solution of 1.0 M…

Q: 0.270 M monoprotic weak acid solution has a pH of 2.50. What is the pKa of this acid? a. 4.43 b.…

A: Given: Concentration of weak acid = 0.270 M pH of solution = 2.50

Q: What is the relationship between the value of pKa and the strength of a weak acid Differentiate…

A: pKa of any acid is given by pKa = -log(Ka ) where Ka = dissociation constant of acid

Q: Listed below are two organic acids and their pKa values. Calculate the acid dissociation constant,…

A: 1) The strength of an acid is related to its pKa as: Acidic Strength ∝1pKa∝Ka That is, lower the…

Q: Weak acids do not dissociate completely in water and have pKa values of - 3 or higher. Which of the…

A: Given acids, A. HNO3 B. HCl C. H2SO4 D. H2CO3

Q: What is the H 3O + concentration in 0.0055 M Ba(OH) 2(aq) at 25 °C? ( K w = 1.01 × 10 –14)? a.…

A: Kw = 1.01e-14 Concentration of barium hydroxide = 0.0055 M Concentration of H3O+ ion = ?

Q: Ethanoic acid is a weak acid pka value 4.74 at 298K. What do you understand by the term pka and ka?…

Q: 1. If the Ka of an acid is 1.8x10 ^-5, calculate the pKa and pKb values of the acid.

A: Since you have asked multiple type questions, we will solve only first questions for you. If you…

Q: Lactic acid, CH3CH(OH)COOH, is a monoprotic acid that is present in sour milk. The pH of a 0.100 mol…

A: [H3O+]= 10-pH [H3O+]= 10-2.44 [H3O+]=3.6308 x 10-3 M

Q: 0.100M solution of monoprotic weak acid has a pH of 3.00. What is the pKa of this acid?

A: Let , weak monoprotic acid = HA pH = 3.00 [HA] = 0.100 M

Q: For each value of pKa, calculate the corresponding value of Ka. Which compound is the stronger acid?…

A: Imagine an acid HA. Assume it dissociates in the following way- HA ⇌ H+ + A- The acid dissociation…

Q: Calculate the pKa for the weak acids that have the ff. Ka values. a. 2.3 x 10 -6 b. 1.9 x 10 -8 C.…

A: The Ka values indicate how willing an acid is to dissociate and make available the proton/s it has.…

Q: A solution containing a monoprotic weak acid (HA) that is 8.09% dissociated was found to have a pH…

A: A solution contains monoprotic weak acid (HA) that dissociate 8.09% And PH = 1.92 [A-] = ? at…

Q: Consider two acids: Cl,CHCO,H (dichloroacetic acid, pK,=1.3) and HCO,H (formic acid, pK, = 3.8).…

A: In this question, we will select the strongest acid. You can see details explanation and answer…

Q: Calculate pH of water solution of Hydrosulphuric acid with concentration of 0,050 M (pKa=6.99)

Q: 8. Which of the following compounds is most acidic? CI ОН A. B. с. F -= 2> ОН CI III OH ARIO OH CI F…

A: Note: Since you have asked multiple questions, we will solve the first question for you. If you want…

Q: Assuming that base (B:) and acid (AH) are mixed in equal concentrațions and using pka values of acid…

A: In order to solve this question, we will be writing the reaction first and then finding out the…

Q: Periodic acid, HIO4, is an important oxidizing agent and a moderately strong acid. In a 0.10 M…

Q: 8 (a) Define in words the following: (i) Ka (ii) pKa (b) Calculate the pH of 0.0005 mol dm3 ethanoic…

Q: -HO- + NaNH2 pKa = 9.89 pKb = 3.25 %3D %3D pKa of conjugate acid = 25

A: Welcome to bartleby !

Q: which of these acids is the strongest? Ka for boric acid is 7.3 × 10–10 pKa of acetic acid is 4.75…

A: pKa of an acid is mathematically represented as shown below: pKa = -logKa Hence, we can write: Ka =…

Q: for a 0.10 M solution of a weak acid, HA, with pKa=10, which of the following is true? a. [HA]=[A-]…

A: Weak acids undergo partial dissociation in water.

Q: The pH of an aqueous solution of weak monoprotic acid is 3.15. What is the initial…

A: Given that pH of weak monoprotic acid = 3.15 pKa for weak monoprotic acid = 5.74 For weak acid, pH…

Q: The ionization constant, Ka, for benzoic acid is 6.28 ×10-⁵. What is the pKa of this acid? a)…

Q: beaker contains a total concentration of 0.53 molar of weak acetic acid with pKa = 5.12 and pH =…

Q: Rank the compounds from lowest pka (most acidic) to highest pka (least acidic). HO OH HO HO II II IV…

Q: Trichloroacetic acid (CCl3COOH) is a corrosive acid that is used to precipitate proteins. The pH of…

A: Given information: Concentration of trichloroacetic acid (CCl3COOH) = 0.050 M Concentration of…

Q: Answer the following questions about Ka and pka (a What is Ka (b) Does a strong acid have a greater…

Q: The pKa values of some hypothetical acids (HX, HY, HZ, HG) are shown below: HX pka=2.50, HY…

A: Bronsted-Lowry theory of acids and bases :- According to this theory Acid is a substance which can…

Q: HA is a weak acid for which Ka = 8.18 × 10–10. Calculate the concentrations of all species in a…

A: We will use concept of weak acid to calculate all these terms.

Q: Calculate the pH values of the following solutions: a. a 1.0 M solution of acetic acid (pKa = 4.76)…

A: From given data For part (a) pKa=4.76 [CH3COOH]=1.0 M For part (b)…

Q: The pKa of HX is 9.34. Calculate the pH of a 0.418 M solution of HX.

A: We are authorized to answer one question at a time, since you have not mentioned which question you…

Q: A weak monobasic acid is half neutralized by a strong base. If the pH of the solution is 5. 4, its…

A: The question is based on the concept of titrations. we are titrating a weak acid and a strong base.…

Question

The table below contains the pK_a values of four weak acids. Which acid is the weakest?

HF	3.14
HNO₂	3.39
H₂SO₃	1.81
H₂CO₃	6.37

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

Determine the pka of an acid whose concentration is 0.100M and pH is 2.86.
Oleic acid (which can be denoted as HOL), is a weak acid. Considering its sodium salt, sodium oleate (NaOL), calculate the pKa of HOL given that a 0.100 M solution of NaOL has a pH of 9.01. (hint: Kw=Ka * Kb)
:::::(((((((( The PH of a 0.2 M solution of a monoprotic acid is 3.45. Calculate the pKa for this acid. What is the percent ionization of acid?
Calculate the pKa of the weak acid HA, given that a solution that is 0.357 in HA and 1.24 in A- has pH = 5.32.Provide your answer rounded to 2 decimal digits.
Determine the pKa of an acid; a 4e-3M solution of which has a pH of 2.4
Lactic acid, CH3CH(OH)COOH, is a monoprotic acid that is present in sour milk. The pH of a 0.100 mol L−1 aqueous solution of lactic acid is 2.44 at 25°C. Calculate the Ka and pKa for lactic acid at this temperature.
A weak acid solution with concentration 0.020 M has a pH of 3.7, what is the pKa of this acid?
(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 =
0.270 M monoprotic weak acid solution has a pH of 2.50. What is the pKa of this acid? a. 4.43 b. 1.93 c. 5.57 d. 9.57
The ionization constant, Ka, for benzoic acid is 6.28 ×10-⁵. What is the pKa of this acid? a) 1.59×10⁴ b) 4.20 c) 4.45 d) 5.64 e) 9.80
Using the Henderson–Hasselbalch equation calculate the pH. Decide which is the acid and which is the base and use this information to look for the dissociation constant for the acid to determine the pKa.
A weak acid HA, has a pKa of 5.0. If 1.0 mol of this acid and 0.1 mol of NaOH were dissolved in one liter of water, what is the final pH?