Answer the following questions about Ka and pka (a What is Ka (b) Does a strong acid have a greater or lesser tendency to lose its proton than a weak acid Compare the pka between a strong acid and a weak acid. Who has a bigger pka idi Does the acid with a smal Ka will give H to an acid with a large Ka (e) Write the HH equation

Q: Q1:Chose the correct answer from 1-The [HO] in a 0.050 M solution of Ba(OH), is: (a) 1.0 x 10' M (b)…

A: Since you have posted multiple question we will provide the solution only to the first question  as…

Q: A student prepares three solutions, X, Y, and Z, as described in the table above. The values of Ka…

A: We are given 3 solutions X, Y and Z. In order to compare their pH, we have to calculate the pH of…

Q: 15) Which of the following is the weakest acid? SH OH NH, d) SH

A: From given compounds there is need to find weakest acid among all compounds.

Q: 7-Consider the titrations of the pairs of aqueous acids and bases listed on the left. For which pair…

A: 7. Depending upon strengths of acids and bases -  the pH of the equivalent point can be determined.

Q: What weak acid has a pKa of 5.02 and a molar mass of 201.0 g/mol?

A: Pka value is given by the formula  Pka=-logka. When the pka value is low it is more acidic in Nature…

Q: when the pH of a solution containing 15mL of 0.10 M CH3COONa and 10 mL of 0.10M CH3COOH (pKa=4.74)?…

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Q: [H*] HO H ELOH [H*] HO H. H20 OH

A: The detail explanation of the organic reactions are given below

Q: What is the concentration of a weak acid if its Ka = 3.7 x 10-7 and its pOH = 11.62?

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Q: 1. The pH of a 0.1 M solution of a monobasic acid P is 1.0 while the pH of a 0.2 M solution of…

A: Introduction :  pH can be defined as a measure of the hydrogen ion concentration of a solution.…

Q: What is the pH of a 0.2 M solution of each of the following (for this question, assume only the…

A: Answer: pH of a solution is the negative of logarithm of its hydrogen ion concentration. All three…

Q: Ką for benzoic acid, C,H5COOH, is 6.30x10-5. Ką for phenol (a weak acid), C6H5OH, is 1.00×10-10. Ką…

A: ->Strong acid has weak conjugate base that is conjugate base of strong acid is weak base. ->Ka…

Q: What is the pH of a solution that has [OH"] = 8.31 x 10I M? Enter your answer with the correct…

A: Given that :   [OH-] = 8.31 × 10-11 M To find: pH of the solution. It is known that  pOH = -…

Q: Which list has the conjugate bases of these acids in order of decreasing strength? (Strongest to…

A: pKa = - log Ka Ka increases pKa decreses

Q: 8-The following titration curve is the kind of curve expected for the titration of a base (a)…

A: The titration curve is a plot between pH (dependent variable) and the volume of titrant added…

Q: a) Calculate the percent ionization of 0.00490 M hypobromous acid (Ka = 2.5e-09). % ionization =…

A: a) Given: Concentration of hypobromous acid i.e. HBrO = 0.00490 M And Ka of HBrO = 2.5 × 10-9  Since…

Q: Which is true of acidic solutions?  (A) correct answer is not available (B) more OH- ions than H+…

A: Since, H+ measure the acidity.

Q: Four so v s of an acid dissolved in water are sketched below, as if under a micoscope so powerful…

A: There are two types of bases/acids. One is strong base/acid which is completely dissociable in into…

Q: Give two solutions of differing chemical identities, which is more basic, and by what factor? A…

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Q: Rank the following acids in order of increasing acidity

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Q: 10-If 25.00 ml of 0.1M NaOH solution is needed to reach the end point of 10 ml HNO₂. Then the…

A: Given, Volume of NaOH = 25.0 ml Conc. of NaOH = 0.1M Volume of HNO3 = 10.0 mlMolecular weight of…

Q: 1. If an acid has a aka value of 4.2x10^-7, what does this mean in terms of the strength of the…

A: Ka value can be used to estimate strength of an acid. If Ka value is high (and pKa value is low),…

Q: 2-The pH of a 0.02 M solution of an unknown weak acid is 3.7. what is the pK, of this acid? (c) 3.2…

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Q: the

A: Moles of H2SO4 in a liter = 1.25mol  Moles of KOH = 1mol  Reaction is :  H2SO4 + 2KOH ----->…

Q: In the laboratory a student measures the percent ionization of a 0.559 M solution of hypochlorous…

A: Concentration = C = 0.559 M Percent ionization = % α = 0.0258 % Ka =?

Q: If a 0.8M solution of weak acid, HA, has a pH = 2.8, calculate the Ka of the acid. Your answer…

A: HA   ⇌    H+ + A- At initial    c               0           0at final   c1-α…

Q: A 0.050 M solution of a weak acid HA has a pH of 4.12 at equilibrium. What is the Ka of the acid?

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Q: a) If potassium nitrite (KNO₂) and sodium nitrite (NaNO₂) are dissolved in water, select the choice…

A: Answer: Strong acid gets completely ionized in its solution while weak acid gets partially ionized…

Q: If a 0.8M solution of weak acid, HA, has a pH = 2.8, calculate the Ka of the acid.

A: The pH of a solution denotes the -ve logarithm of hydronium ion concentration in moles per liter.…

Q: Question 16 Calculate the pH of a formic acid (HCO2H) solution if the concentration of formic acid…

A: Buffer solution is a solution whose pH remains constant and it does not change even on addition of…

Q: A 1.78 M solution of a weak acid HA is found to have a pH of 2.13. Determine Ka of the acid. Correct…

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Q: 7. The ka for acetic acid is 1.0 x 10.5. Is acetic acid a weak or a strong acid?

A: Strong acids completely dissociate in aqueous solution (Ka > 1, pKa < 1).

Q: QUESTION 6 Consider a solution which is 0.10M in CH3COOH and 0.20M in NaCH3COO. Choose ALL of the…

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Q: THE X IS SMALL APPROXIMATION The initial concentration and Ka of several weak acid (HA) solutions…

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Q: nobasic acids. pH value than CH,SO,OH with

A: An acid is a substance that gives H+ ions in its solution whereas a basic substance gives OH- ions…

Q: For the reaction H,0 + SO, ? «HSO, +0H¯, water behaves as a(n) O acid O base O both acid and base O…

A: Bronsted-Lowry acid-base theory: According to the Bronsted-Lowry acid-base theory, acid is a…

Q: What is Ka of acid HA when the initial concentration of HA Is 0.31M and the pH is 3.18?

A: The initial concentration of the weak acid is C = 0.31 M.The pH of the solution of HA is 3.18.We…

Q: Based on the given K, values, rank the following acids from strongest (1) to weakest (5). Carbonic…

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Q: Which species below is a Lewis Acid? CI 2- + 4 [:ċi:] Co2+ COCI CI CI

A: A substance that can accept a lone pair of electrons is called Lewis acid.

Q: (a) Calculate the percent ionization of 0.00280 M carbonic acid (Ka = 4.3e-07). % ionization =…

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Q: What is the K₂ of acid HA when the initial concentration of HA is 0.31 M and the pH is 2.81?

A: Given,the molarity of weak monoprotic acid, HA = 0.31 MpH = 2.81

Q: Which of the following compounds is most acidic? OH NH₂ of or II e Br III IV V OH

A: Acidity is defined as the ability of a molecule to release protons.If a compound easily donates…

Q: draw the tetrahedral intermediate as it is ormed in the following reaction. H₂C. NH₂ HCI/H₂O reflux

A: The given reaction shows the acid-catalyzed hydrolysis of the reactant, amide to form carboxylic…

Q: Which of the following can behave as Bronsted-Lowry bases in aqueous solution? Ca(OH)2 NaOH NH4+ I…

A: According to Bronsted and Lowry concept an Acid is a substance that has the tendency to donate a…

Q: The hand written answer is not allowed

A: Step 1: To solve for the pH of a solution that is 5.0x10-2 M in H2CO3 (carbonic acid), we need to…

Q: A chemist takes a liter of 1.25M H2SO4 and adds 1.50 moles of solid KOH. The addition of solid does…

A: The question is based on the concepts of PH calculation. we have been given sulphuric acid solution…

Q: A E AA No Spacing Heading 2 I 6urpeaH Normal Text Box Shape Picture 31 6 E4. When glycerol…

A: The required equation is given below.

Q: 3. What is the pH of a solution that is 0.75 M in sodium acetate and 0.50 M in acetic acid? (K for…

A: We can use Henderson–Hasselbalch equation to solve this problem. We need to find the pH of weak acid…