At the Equivalence Point in an Acid-Base Titration

question 68

Multiple Choice

At the equivalence point in an acid-base titration

• A)the [H ₃O ⁺] equals the K _a of the acid.
• B)the [H ₃O ⁺] equals the K _a of the indicator.
• C)the amounts of acid and base which have been combined are in their stoichiometric ratio.
• D)the pH is 7.0.
• E)the pH has reached a maximum.

---

Definitions:

Human Activities

Refers to actions or tasks performed by humans that affect the environment, society, and economy.

Atmosphere

The layer of gases surrounding Earth or another planet, essential for life as it provides air to breathe and protects from solar radiation.

Warmer World

A scenario indicating an increase in the Earth's average temperature, often associated with global climate change phenomena.

Hurricanes

Powerful tropical storms with heavy rain and winds exceeding 74 miles per hour, typically forming over warm ocean waters.