In Which of the Following Aqueous Solutions Does the Weak

question 11

Multiple Choice

In which of the following aqueous solutions does the weak acid exhibit the lowest percentage ionization?

• A)0.01 M HC₂H₃O₂ (K_a = 1.8 × 10^-5)
• B)0.01 M HNO₂ (K_a = 4.5 × 10^-4)
• C)0.01 M HF (K_a = 6.8 × 10^-4)
• D)0.01 M HClO (K_a = 3.0 × 10^-8)
• E)These will all exhibit the same percentage ionization.

---

Definitions:

Conservation

The knowledge that quantity is unrelated to the arrangement and physical appearance of objects.

Centration

A cognitive limitation in early childhood, where focus is placed on one salient aspect of a situation, neglecting other relevant aspects.

Assimilation

The process by which individuals incorporate new information into existing schemas or frameworks of understanding.

Concrete Operational Stage

A stage in Piaget's theory of cognitive development, where children aged about 7 to 12 years can think logically about concrete events.