CHEM134 C002 Spring 2026
Digital Using Buffers - APUS
Final Report
Student Name Tamrian Mbaye
Student ID 372327
Lesson Digital Using Buffers - APUS
Institution American Public University
Session 770530
Course CHEM134 C002 Spring 2026
Instructor Victor Aniebok
Test Your Knowledge
Categorize each statement as true or false.
True False
1 2
Chemical buffers are important to The buffer capacity is the pH range
that industrial production and to living is maintained when acids and bases
are systems. added to a solution.
Chemical buffers have specific ranges Buffers are effective at resisting pH
and capacities. changes when large amounts of
acid or
base are added to a solution.
, Match each term with the best description.
Solution that resists pH
1 Chemical buffer
changes
Compound that fully ionizes
2 Strong acid
in water
Product of the ionization of an
3 Conjugate base
acid in water
Compound that only partially
4 Weak acid
ionizes in water
[A−]
Identify the variables of the equation pH = pKa + log .
[HA]
Acid ionization constant 1 Ka
Weak acid concentration 2 [HA]
Acidity of solution 3 pH
Conjugate base 4 [A-]
concentration
Exploration
A chemical buffer is a solution that resists when small
quantities of an acid or base are added to it.
pH changes
pressure changes
thermal changes
Digital Using Buffers - APUS
Final Report
Student Name Tamrian Mbaye
Student ID 372327
Lesson Digital Using Buffers - APUS
Institution American Public University
Session 770530
Course CHEM134 C002 Spring 2026
Instructor Victor Aniebok
Test Your Knowledge
Categorize each statement as true or false.
True False
1 2
Chemical buffers are important to The buffer capacity is the pH range
that industrial production and to living is maintained when acids and bases
are systems. added to a solution.
Chemical buffers have specific ranges Buffers are effective at resisting pH
and capacities. changes when large amounts of
acid or
base are added to a solution.
, Match each term with the best description.
Solution that resists pH
1 Chemical buffer
changes
Compound that fully ionizes
2 Strong acid
in water
Product of the ionization of an
3 Conjugate base
acid in water
Compound that only partially
4 Weak acid
ionizes in water
[A−]
Identify the variables of the equation pH = pKa + log .
[HA]
Acid ionization constant 1 Ka
Weak acid concentration 2 [HA]
Acidity of solution 3 pH
Conjugate base 4 [A-]
concentration
Exploration
A chemical buffer is a solution that resists when small
quantities of an acid or base are added to it.
pH changes
pressure changes
thermal changes
