Chemistry: Principles and Reactions
8th Edition
ISBN:9781305079373
Author:William L. Masterton, Cecile N. Hurley
Publisher:William L. Masterton, Cecile N. Hurley
Chapter16: Spontaneity Of Reaction
Section: Chapter Questions
Problem 69QAP: At 25C, a 0.327 M solution of a weak acid HX has a pH of 5.12. What is G for the dissociation of the...
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If the K₂ of a monoprotic weak acid is 3.3 x 10-6, what is the pH of a 0.41 M solution of this acid?
pH =
x10
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A monoprotic weak acid, HA, dissociates in water according to the reaction
HA(aq) + H₂O(1) H₂O+ (aq) + A (aq)
The equilibrium concentrations of the reactants and products are [HA] = 0.160 M, [H3O+] = 2.00 × 10-4 M, and
[A-]=2.00 x 10-4 M. Calculate the K, value for the acid HA.
K₁ =
H
O Search](/v2/_next/image?url=https%3A%2F%2Fcontent.bartleby.com%2Fqna-images%2Fquestion%2F9437567b-8da5-455d-a4fe-2bd0f454b63f%2Ff9622b55-7336-419c-8f43-fee169bebfae%2Fgrmce4o_processed.jpeg&w=3840&q=75)
Transcribed Image Text:Learning
A monoprotic weak acid, HA, dissociates in water according to the reaction
HA(aq) + H₂O(1) H₂O+ (aq) + A (aq)
The equilibrium concentrations of the reactants and products are [HA] = 0.160 M, [H3O+] = 2.00 × 10-4 M, and
[A-]=2.00 x 10-4 M. Calculate the K, value for the acid HA.
K₁ =
H
O Search
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