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Given a buffer solution HF (aq) + H2O (l) <=> H3O+ (aq) + F- (aq) F- = conjugate base…

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Chemistry

10th Edition

ISBN:9781305957404

Author:Steven S. Zumdahl, Susan A. Zumdahl, Donald J. DeCoste

Publisher:Steven S. Zumdahl, Susan A. Zumdahl, Donald J. DeCoste

Chapter1: Chemical Foundations

Section: Chapter Questions

Problem 1RQ: Define and explain the differences between the following terms. a. law and theory b. theory and...

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Concept explainers

Electrolysis

Electrolysis is defined as the process of breaking down ionic compounds into their constituent elements by passing a direct electric current through the compound in a fluid state. The cathode reduces cations, while the anode oxidizes anions. An electrolyte, electrodes, and some form of external power source are the main components required for conducting electrolysis. A partition, such as an ion-exchange membrane or a salt bridge, may also be used, but this is optional. These are primarily used to prevent the products from diffusing near the opposing electrode.

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<Ch. 10: pH, Titrations and Buffers - Attempt 1
Problem 10.61
inquizitive
Consider the buffer system of hydrofluoric acid, HF, and its salt, NaF.
HF (aq) + H₂O (1)← H3O+ (aq) +F- (aq)
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Part A
The purpose of the buffer system is to:
Check all that apply.
maintain pH
maintain [F]
maintain [HF]
Submit
Part B
The salt of the weak acid is needed to:
Check all that apply.
Oprovide the conjugate base
Oprovide the conjugate acid
neutralize added H3O+
Submit
Part C
☐ H₂O
□ H3O+
The addition of OH is neutralized by:
Check all that apply.
the salt
Submit
Request Answer
Part D
Request Answer
products
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When H3O+ is added, the equilibrium shifts in the direction of the:
reactants
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O does not change
X
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