Name Period Directions: read each section and answer the questions accordingly. Show all mathematical work. (1) Which species is the conjugate base of H₂SO3? a. H3SO3* b. HSO3 C. SO3²- action between aqueous HCI and
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 equilibrium is established between the ions and unionized species in a system. Understanding the concept of ionic equilibrium is very important to answer the questions related to certain chemical reactions in chemistry.
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.
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b. HSO3
C. SO3²-
CHM 1032
Acid/Base
Period
Date
Name
Directions: read each section and answer the questions accordingly. Show all mathematical work.
(1) Which species is the conjugate base of H₂SO3?
a. H3SO3
Focus Concepts
(2) Write a molecular equation for the neutralization reaction between aqueous HCI and
aqueous Ca(OH)2?
a. [H3O+] = 7.5 x 10-5M
b. [H3O+] = 1.5 x 10-⁹M
c.
[H3O+] = 1.0 x 10-7M
(3) The titration of 20.0-mL of a sulfuric acid solution of unknown concentration requires
22.87-mL of a 0.158M KOH solution to reach the equivalence point. What is the
concentration of the unknown sulfuric acid solution? Hint: write the balance molecular
equation for the neutralization reaction.
(4) Calculate the [OH-] in each solution and determine whether the solution is acidic, basic,
or neutral
(5) Calculate the pH of each solution and indicate whether the solution is acidic or basic.
a. [H3O+] = 1.8 x 10 M
b. [H3O+] = 7.2 x 10⁹M
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