What is the pH of 0.42 mol benzoic acidreacted with 0.17 mol NaOH? Totalvolume = 0.66 LKa 6.3*10-5Report your answer to two decimal places

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Answered: What is the pH of 0.42 mol benzoic acid…

Chemistry: Principles and Reactions

8th Edition

ISBN:9781305079373

Author:William L. Masterton, Cecile N. Hurley

Publisher:William L. Masterton, Cecile N. Hurley

Chapter13: Acids And Bases

Section: Chapter Questions

Problem 61QAP: Phthalic acid H2C8H4O4, is a diprotic acid. It is used to make phenolphthalein indicator....

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8-17 For each of the following, tell whether the base is strong or weak. (a) NaOH (b) Sodium acetate (c) KOH (d) Ammonia (e) Water
A 0.015M solution of a base has a pH of 10.09 a) What are the hydronium and hydroxide ion concentrations of this solution? b) Is the base a strong base, a moderately weak base (Ka of about 105) or a very weak base (Kb of about 1010)?
Calculate the ionization constant for each of the following acids or bases form the ionization constant of its conjugate base or conjugate acid: (a) F- (b) NH4+ (c) AsO43- (d) (CH3)2 NH2+ (e) NO2- (f) HC2O4- (as a base)
Two students were asked to determine the Kb of an unknown base. They were given a bottle with a solution in it. The bottle was labeled aqueous solution of a monoprotic strong acid. They were also given a pH meter, a buret, and an appropriate indicator. They reported the following data: volume of acid required for neutralization = 21.0 mL pH after 7.00 mL of strong acid added = 8.95 Use the students' data to determme the Kb of the unknown base.
12.63 For each of the following reactions, indicate the Bronsted-Lowrv acids and bases. What are the conjugate acid-base pairs? CN’(aq) + H2O(€) «=* HCN(aq) + OH’(aq) HCO}-(aq) + H,o+(aq) +* H2CO,(aq) + H,O(€) (C) CH,CtX)H(aq) + HS~(aq)i=i CH}COO"(aq) + H2S(aq)
Calculate the [OH] of each of the following solutions at 25C. Identify each solution as neutral, acidic, or basic. a. [H+] = 1.0 107 M b. [H+] = 8.3 10l6 M c. [H+] = 12 M d. [H+] = 5.4 105 M
You mix a solution of a strong acid with a pH = 4.0 and an equal volume of another strong acid solution having a pH = 6.0. Is the final pH less than 4.0, equal to 4.0, between 4.0 and 5.0, equal to 5.0, between 5.0 and 6.0, equal to 6.0, or greater than 6.0? Explain.
Using the diagrams shown in Problem 10-37, which of the four acids is the weakest acid?
8-62 What is the pH of a buffer solution made by dissolving 0.10 mol of formic acid, HCOOH, and 0.10 mol of sodium formate, HCOONa, in 1 L of water?
For oxyacids, how does acid strength depend on a. the strength of the bond to the acidic hydrogen atom? b. the electronegativity of the element bonded to the oxygen atom that bears the acidic hydrogen? c. the number of oxygen atoms? How does the strength of a conjugate base depend on these factors? What type of solution forms when a nonmetal oxide dissolves in water? Give an example of such an oxide. What type of solution forms when a metal oxide dissolves in water? Give an example of such an oxide.
Phthalic acid H2C8H4O4, is a diprotic acid. It is used to make phenolphthalein indicator. Ka1=0.0012, and Ka2=3.9106. Calculate the pH of a 2.9 M solution of phthalic acid. Estimate [HC8H4O4-] and (C8H4O42-].
Draw a curve for a series of solutions of HF. Plot [H3O+]total on the vertical axis and the total concentration of HF (the sum of the concentrations of both the ionized and nonionized HF molecules) on the horizontal axis. Let the total concentration of HF vary from 11010M to 1102M.

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What is the pH of 0.42 mol benzoic acid reacted with 0.17 mol NaOH? Total volume = 0.66 L Ka 6.3*10-5 Report your answer to two decimal places