Calculate the pH of buffers that contain the acid and conjugate base concentrations listed below. a. [CH3COOH] = 0.45 M, [CH3COO-] = 0.75 M (the pK, for acetic acid is 4.74) pH = = b. [H₂PO4) = 0.20 M, [HPO4²] = 0.40 M (the pK for H₂PO4¯ is 7.21) pH = c. [HSO3 ] = 1.65 M, [SO32] = 0.70 M (the pK, for HSO3 is 7.00) pH =
Calculate the pH of buffers that contain the acid and conjugate base concentrations listed below. a. [CH3COOH] = 0.45 M, [CH3COO-] = 0.75 M (the pK, for acetic acid is 4.74) pH = = b. [H₂PO4) = 0.20 M, [HPO4²] = 0.40 M (the pK for H₂PO4¯ is 7.21) pH = c. [HSO3 ] = 1.65 M, [SO32] = 0.70 M (the pK, for HSO3 is 7.00) pH =
Introduction to Chemical Engineering Thermodynamics
8th Edition
ISBN:9781259696527
Author:J.M. Smith Termodinamica en ingenieria quimica, Hendrick C Van Ness, Michael Abbott, Mark Swihart
Publisher:J.M. Smith Termodinamica en ingenieria quimica, Hendrick C Van Ness, Michael Abbott, Mark Swihart
Chapter1: Introduction
Section: Chapter Questions
Problem 1.1P
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![Calculate the pH of buffers that contain the acid and conjugate base concentrations listed below.
a. [CH3COOH] = 0.45 M, [CH3COO]=0.75 M (the pK, for acetic acid is 4.74)
pH =
b. [H₂PO4) = 0.20 M, [HPO4²] =
= 0.40 M (the pK, for H₂PO4 is 7.21)
pH =
=
c. [HSO3] = 1.65 M, [SO3²] = 0.70 M (the pK, for HSO3 is 7.00)
pH =](/v2/_next/image?url=https%3A%2F%2Fcontent.bartleby.com%2Fqna-images%2Fquestion%2Fa1984a5e-499f-4891-86df-ffb73117f45f%2Fa71c7638-e1c2-4f20-a9e2-f53bd06cc669%2Fkwtf2t_processed.jpeg&w=3840&q=75)
Transcribed Image Text:Calculate the pH of buffers that contain the acid and conjugate base concentrations listed below.
a. [CH3COOH] = 0.45 M, [CH3COO]=0.75 M (the pK, for acetic acid is 4.74)
pH =
b. [H₂PO4) = 0.20 M, [HPO4²] =
= 0.40 M (the pK, for H₂PO4 is 7.21)
pH =
=
c. [HSO3] = 1.65 M, [SO3²] = 0.70 M (the pK, for HSO3 is 7.00)
pH =
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