Chemistry
Chemistry
10th Edition
ISBN: 9781305957404
Author: Steven S. Zumdahl, Susan A. Zumdahl, Donald J. DeCoste
Publisher: Cengage Learning
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Concept explainers

Ionic Equilibrium
Chemical equilibrium and ionic equilibrium are two major concepts in chemistry. Ionic equilibrium deals with the equilibrium involved in an ionization process while chemical equilibrium deals with the equilibrium during a chemical change. Ionic equilibri…
Arrhenius Acid
Arrhenius acid act as a good electrolyte as it dissociates to its respective ions in the aqueous solutions. Keeping it similar to the general acid properties, Arrhenius acid also neutralizes bases and turns litmus paper into red.
Bronsted Lowry Base In Inorganic Chemistry
Bronsted-Lowry base in inorganic chemistry is any chemical substance that can accept a proton from the other chemical substance it is reacting with.
Question

a) NH3 is a weak base (?b=1.8×10−5) and so the salt NH4Cl acts as a weak acid. What is the pH of a solution that is 0.060 M in NH4Cl at 25 °C?

b) HClO is a weak acid (?a=4.0×10−8) and so the salt NaClO acts as a weak base. What is the pH of a solution that is 0.056 M in NaClO at 25 °C?

c) Given that Ka for HClO is 4.0×10−8 at 25 °C, what is the value of Kb for ClO- at 25 °C?

ci) Given that Kb for C6H5NH2  is 1.7×10−9 at 25 °C, what is the value of Ka for C6⁢H5⁢NH3+ at 25 °C?

d) What is the Ka reaction of HCN?

di) The Ka of HCN is 6.2×10−10. What is the Kb value for CN− at 25 °C?

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