The pK, of a particular weak acid is 5.17. What is the pH of the weak acid solution when exactly half of the acid is neutralized? pH =

Q: The weak acid acetic acid, CH3COOH(aq), is titrated with strong base potassium hydroxide, KOH(aq).…

A: At Equivalence point acid and base both titrated with each other and strong base complete…

Q: The pH of a half-neutralized solution of a weak acid is 4.3. What is the dissociation constant (Ka)…

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Q: A solution of sodium chlorite is prepared using 0.38 mol L1 NaOH as the solvent. The pK, of chlorous…

A: Solutions- Given- NaOH Conc. = 0.38 mol/lit, pKa of chlorous acid = 2, conc. of sodium chlorite =…

Q: Which of the following aqueous solutions are good buffer systems? 0.21 M nitric acid + 0.15 M…

A:

Q: Which of the following aqueous solutions are good buffer systems? . 0.15 M hydrofluoric acid + 0.15…

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

Q: The equilibrium constant for the reaction 2CrO42- (aq) + 2H+ (aq) ⇌ Cr2O72- (aq) + H2O is 3×1014.…

A: Given: 2CrO42- (aq) + 2H+ (aq) ⇌ Cr2O72- (aq) + H2O K = 3×1014

Q: Which one of the following statements is correct concerning the acetic acid in vinegar and…

A: In this question, we have to find out the correct answer of given problem by the help of the…

Q: At 22 °C, an excess amount of a generic metal hydroxide, M(OH),, is mixed with pure water. The…

A: In order to find Ksp of the salt we first write down the given data: pH= 10.34. The given salt is…

Q: The pH of a buffer solution containing 0.35 M acetic acid and 0.39 M sodium acetate where the pKa of…

A: For acidic buffer solution: pH = pKa + log CH3COO-CH3COOH  pH = 4.75 + log 0.390.35  pH = 4.75 +…

Q: The pH of a 0.05 M acid solution is 1.4. What is [H] in that solution? If the K, for the acid is 3.3…

A: We know that pH is the negative logarithm of H+ ion concentration. that is  pH = – log[H+] ⇒[H+] =…

Q: A student does a titration of 86.0 mL of a 0.37 M solution of methylamine (CH3NH2(aq) (pKb =3.36)…

A: PH+Poh=14. This is basic buffer equation  Poh=pkb+log[salt]/base Use this equation and get the…

Q: 0.3872g of an unknown weak acid with general formula HY, was dissolved in water and made up to a…

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Q: Certain metal cations can act as Lewis acids in water to produce an acidic solution even though the…

A: Here Co2+ will react with water to release H+ ions. Thus it remains as, Co2+ + 2 H2O --->…

Q: water sample

A: Generally, drinking water has a pH of 7, which is neither acidic nor basic and is safe to drink. The…

Q: What is the pH of a 0.455 M solution of lactate, (CH3)2 COO^-1. The pKa of lactic acid, (CH3)2 COOH…

A: Given - Concentration of solution of lactate (CH3)2 COO- =  0.455 M pKa of lactic acid  (CH3)2 COOH)…

Q: raise the PH level of acidified bodies of water (lakes), a process of addition of CaCO3(s) is called…

A: As the pH level increases,  acidity decreases and basicity increases. When CaCO3 added into the lake…

Q: If equal volumes of 0.29 M acetic acid and 0.12 M sodium hydroxide are mixed, what is the pH of the…

A: Henderson–Hasselbalch equation, pH = pKa + log [salt]/[acid]

Q: One of the factors that can affect the pH of a buffered solution is the molar ratio of the conjugate…

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Q: Determine the K, of a weak base if a 0.28 M solution of the base has a pH of 10.14 at 25°C. K x 10

A: Given: Concentration of weak base (Assuming B) = 0.28 M And the pH of the solution = 10.14

Q: Suppose 0.0013 mol HA and 0.0013 mol A− are present in 170. mL solution and the pH is 4.00. What is…

A: We have to calculate the acid dissociation constant value.

Q: If the Kp of a weak base is 1.0 x 106, what is the pH of a 0.11 M solution of this base? pH =

A: Let us consider a base B, hydrolysis of the base is given below B + H2O ---> BH+ + OH- Now, at…

Q: A 0.492 M solution of a weak base has a pH of 10.59. What is the base hydrolysis constant, Ko. for…

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Q: Saccharin, a sugar substitute, is a weak acid with the formula, HC7H4NSO3.  The pKa of saccharin is…

A:

Q: The equilibrium constant for the reaction 2CrO42- (aq) + 2H+ (aq) ⇌ Cr2O72-(aq) +H2O is 3×1014 .…

A: EQUILIBRIUM constant is defined as the ratio of concentration of products to the ratio of…

Q: The pH factor is a measure of the acidity and alkalinity of water. A reading of 7.0 is neutral;…

A: Given data: 7.3, 7.4, 7.2, 7.0, 7.5, 7.4, 7.3, 7.3, 7.2, 7.1 n = 10 α = 0.05

Q: A 0.15M solution of a weak base has a pH of 9.08. What is Kp for this weak base?

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Q: If the Kp of a weak base is 2.5 x 10-6, what is the pH of a 0.23 M solution of this base?

A: pH +  pOH = 14 For a weak base solution: [OH-] = (Kb x C)1/2 Where, C = molar concentration of weak…

Q: A weak acid, HA, has a pK, of 4.047. If a solution of this acid has a pH of 4.313, what percentage…

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Q: 1) In the laboratory, a general chemistry student measured the pH of a 0.554    M aqueous solution…

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Q: Consider a buffer solution containing an acid with a pKa of 2.3 and an acid concentration that is…

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Q: Calculate the pH of a mixture of 0.12 M acetic acid and 0.25 M sodium acetate. The pKa of acetic…

A: Given: Molarity of acetic acid = 0.12 M Molarity of sodium acetate = 0.25 M pKa of acetic acid =…

Q: 4. The molar ratio between a weak acid and its base conjugate was (3:2). Calculate the Ka of the…

A: Hendrson hasselbalch equation will be use to determine Ka value

Q: What is the pH of a 0.681 M weak base solution? The Kp of the weak base is 0.000098.

A: Given:: Let HB is weak base then, [HB] =0.681 M Kb=0.000098

Q: What is the pH for a weak monoprotic acid if a 0.020 M solution of the acid has a Ka of 3.28 x 10-7…

A: The H3O+ concentration for the weak acid is determined given below:

Q: Of the following, which has the greatest buffering capacity (aq., 25 oC)? A) 0.543 M NH3 and 0.555 M…

A: According to Henderson equation, the pH of a buffer is given by pH = pka + log([base]/ lacid]) A…

Q: A 0.500M solution of a weak acid has a pH of 2.251. a. What is the pKa of the weak acid?

A: Given data Concentration of weak acid : C = 0.500 M pH of solution = 2.251  We know that for a weak…

Q: During the fermentation of wine, a buffer system consisting of tartaric acid and potassium hydrogen…

A: Buffer solution: These are the solutions that consist of a mixture of a weak base and conjugate acid…

Q: Solubility of gases in water increases with increasing mass. Explain?

A: Since you have posted multiple questions, we will answer only first question for you. If you want…

Q: Which of the following aqueous solutions are good buffer systems? . 0.12 M potassium  acetate + 0.20…

A: To identify: The best buffer solution among the given ones.

Q: The dissociation expression of a dilute aqueous solution of hydrochloric acid is shown as: HCl(aq)…

A: HCl, a strong acid dissociates completely in aqueous solution to give proton H+, which combines with…

Q: A solution is prepared by adding 41 mg of sodium acetate (CH3COONA) to 1 L of distilled water. The…

A: The concentration of CH3COO- is needed to be determined in a solution prepared by dissolving 41 mg…

Q: Calculate the pH of a mixture containing 0.23 M HONH2 and 0.44 M HONH3Cl. (Kb = 1.1 × 10–8)  What…

A:

Q: Which of the following aqueous solutions are good buffer systems? 0.40 M nitrous acid + 0.21 M…

A: A buffer is a solution that with the inclusion of acidic or critical components will resist the pH…

Q: An aqueous 0.6 M solution of a weak base has pOH of 4.5, what is the pKb of the weak base?

A: Weak base dissociated less in solution

Q: many mL of 0.2016 M KOH would be expected to be used in the titration of 0.3266 g of a diprotic acid…

A: Given -> Molarity of KOH = 0.2016 M Weight of diprotic acid = 0.3266 gm Molar mass of diprotic…

Q: NH4

A: Buffer range is pKb +1 to pKb - 1  Highest Buffer capacity : at pKb  According to the Hinderson…

Q: Which statement about acid-base indicators is not correct? *       A- A weak acid can be used as an…

A: Acid-base indicators made of weak acids and weak bases. Due to common ion effect.

Q: If the Kp of a weak base is 1.8 x 10-6, what is the pH of a 0.24 M solution of this base? pH =

A: Below attached file showing the details answer. All the best.

Q: Lactic acid has a K. of 2.502 x 103. A solution contains 0.275 M lactic acid and 0.375 M sodium…

A: Buffer solution: The mixture of lactic acid and sodium lactate act as a buffer solution. The…

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.